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Finding the Fourth Proportional to 606,480.04, 908,982.06 and 429,038.20

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Solution

The fourth proportional to 606,480.04, 908,982.06 and 429,038.20 is: 643,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,480.04 : 908,982.06 = 429,038.20 : x
  2. Step 2: Convert to fraction form
    606,480.04/908,982.06 = 429,038.20/x
  3. Step 3: Cross multiply
    606,480.04x = 908,982.06 × 429,038.20
  4. Step 4: Simplify right side
    606,480.04x = 389,988,026,854.69
  5. Step 5: Solve for x
    x = 389,988,026,854.69/606,480.04
  6. Step 6: Final answer
    x = 643,035.22

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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.