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Finding the Fourth Proportional to 626,836.12, 865,033.86 and 358,564.12

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Solution

The fourth proportional to 626,836.12, 865,033.86 and 358,564.12 is: 494,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,836.12 : 865,033.86 = 358,564.12 : x
  2. Step 2: Convert to fraction form
    626,836.12/865,033.86 = 358,564.12/x
  3. Step 3: Cross multiply
    626,836.12x = 865,033.86 × 358,564.12
  4. Step 4: Simplify right side
    626,836.12x = 310,170,104,781.10
  5. Step 5: Solve for x
    x = 310,170,104,781.10/626,836.12
  6. Step 6: Final answer
    x = 494,818.49

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