Home / 671,557.80-1,007,336.70-603,906.60

Finding the Fourth Proportional to 671,557.80, 1,007,336.70 and 603,906.60

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Solution

The fourth proportional to 671,557.80, 1,007,336.70 and 603,906.60 is: 905,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,557.80 : 1,007,336.70 = 603,906.60 : x
  2. Step 2: Convert to fraction form
    671,557.80/1,007,336.70 = 603,906.60/x
  3. Step 3: Cross multiply
    671,557.80x = 1,007,336.70 × 603,906.60
  4. Step 4: Simplify right side
    671,557.80x = 608,337,281,552.22
  5. Step 5: Solve for x
    x = 608,337,281,552.22/671,557.80
  6. Step 6: Final answer
    x = 905,859.90

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Double scale
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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.