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Finding the Fourth Proportional to 637,997.77, 955,420.99 and 475,502.22

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Solution

The fourth proportional to 637,997.77, 955,420.99 and 475,502.22 is: 712,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,997.77 : 955,420.99 = 475,502.22 : x
  2. Step 2: Convert to fraction form
    637,997.77/955,420.99 = 475,502.22/x
  3. Step 3: Cross multiply
    637,997.77x = 955,420.99 × 475,502.22
  4. Step 4: Simplify right side
    637,997.77x = 454,304,801,779.60
  5. Step 5: Solve for x
    x = 454,304,801,779.60/637,997.77
  6. Step 6: Final answer
    x = 712,078.98

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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.