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Finding the Fourth Proportional to 602,115.40, 901,860.90 and 497,139.40

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Solution

The fourth proportional to 602,115.40, 901,860.90 and 497,139.40 is: 744,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,115.40 : 901,860.90 = 497,139.40 : x
  2. Step 2: Convert to fraction form
    602,115.40/901,860.90 = 497,139.40/x
  3. Step 3: Cross multiply
    602,115.40x = 901,860.90 × 497,139.40
  4. Step 4: Simplify right side
    602,115.40x = 448,350,586,709.46
  5. Step 5: Solve for x
    x = 448,350,586,709.46/602,115.40
  6. Step 6: Final answer
    x = 744,625.68

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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.