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Finding the Fourth Proportional to 602,684.82, 904,177.71 and 425,538.18

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Solution

The fourth proportional to 602,684.82, 904,177.71 and 425,538.18 is: 638,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,684.82 : 904,177.71 = 425,538.18 : x
  2. Step 2: Convert to fraction form
    602,684.82/904,177.71 = 425,538.18/x
  3. Step 3: Cross multiply
    602,684.82x = 904,177.71 × 425,538.18
  4. Step 4: Simplify right side
    602,684.82x = 384,762,137,109.97
  5. Step 5: Solve for x
    x = 384,762,137,109.97/602,684.82
  6. Step 6: Final answer
    x = 638,413.52

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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.