Home / 671,478.52-1,007,217.90-222,078.80

Finding the Fourth Proportional to 671,478.52, 1,007,217.90 and 222,078.80

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Solution

The fourth proportional to 671,478.52, 1,007,217.90 and 222,078.80 is: 333,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,478.52 : 1,007,217.90 = 222,078.80 : x
  2. Step 2: Convert to fraction form
    671,478.52/1,007,217.90 = 222,078.80/x
  3. Step 3: Cross multiply
    671,478.52x = 1,007,217.90 × 222,078.80
  4. Step 4: Simplify right side
    671,478.52x = 223,681,742,570.52
  5. Step 5: Solve for x
    x = 223,681,742,570.52/671,478.52
  6. Step 6: Final answer
    x = 333,118.24

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Double scale
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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.