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Finding the Fourth Proportional to 602,646.96, 903,969.56 and 247,410.72

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Solution

The fourth proportional to 602,646.96, 903,969.56 and 247,410.72 is: 371,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,646.96 : 903,969.56 = 247,410.72 : x
  2. Step 2: Convert to fraction form
    602,646.96/903,969.56 = 247,410.72/x
  3. Step 3: Cross multiply
    602,646.96x = 903,969.56 × 247,410.72
  4. Step 4: Simplify right side
    602,646.96x = 223,651,759,697.68
  5. Step 5: Solve for x
    x = 223,651,759,697.68/602,646.96
  6. Step 6: Final answer
    x = 371,115.72

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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.