Home / 671,490.50-1,007,235.90-222,090.80

Finding the Fourth Proportional to 671,490.50, 1,007,235.90 and 222,090.80

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Solution

The fourth proportional to 671,490.50, 1,007,235.90 and 222,090.80 is: 333,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,490.50 : 1,007,235.90 = 222,090.80 : x
  2. Step 2: Convert to fraction form
    671,490.50/1,007,235.90 = 222,090.80/x
  3. Step 3: Cross multiply
    671,490.50x = 1,007,235.90 × 222,090.80
  4. Step 4: Simplify right side
    671,490.50x = 223,697,826,819.72
  5. Step 5: Solve for x
    x = 223,697,826,819.72/671,490.50
  6. Step 6: Final answer
    x = 333,136.25

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Half scale
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Double scale
Find fourth proportional to 671,491.50, 1,007,237.40 and 222,091.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.