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Finding the Fourth Proportional to 497,360.10, 746,040.15 and 429,708.90

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Solution

The fourth proportional to 497,360.10, 746,040.15 and 429,708.90 is: 644,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,360.10 : 746,040.15 = 429,708.90 : x
  2. Step 2: Convert to fraction form
    497,360.10/746,040.15 = 429,708.90/x
  3. Step 3: Cross multiply
    497,360.10x = 746,040.15 × 429,708.90
  4. Step 4: Simplify right side
    497,360.10x = 320,580,092,212.34
  5. Step 5: Solve for x
    x = 320,580,092,212.34/497,360.10
  6. Step 6: Final answer
    x = 644,563.35

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Similar ratio
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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.