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Finding the Fourth Proportional to 966,253.68, 1,333,468.46 and 558,342

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Solution

The fourth proportional to 966,253.68, 1,333,468.46 and 558,342 is: 770,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,253.68 : 1,333,468.46 = 558,342 : x
  2. Step 2: Convert to fraction form
    966,253.68/1,333,468.46 = 558,342/x
  3. Step 3: Cross multiply
    966,253.68x = 1,333,468.46 × 558,342
  4. Step 4: Simplify right side
    966,253.68x = 744,531,444,101.61
  5. Step 5: Solve for x
    x = 744,531,444,101.61/966,253.68
  6. Step 6: Final answer
    x = 770,534.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.