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Finding the Fourth Proportional to 984,522, 1,358,641.08 and 531,813

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Solution

The fourth proportional to 984,522, 1,358,641.08 and 531,813 is: 733,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,522 : 1,358,641.08 = 531,813 : x
  2. Step 2: Convert to fraction form
    984,522/1,358,641.08 = 531,813/x
  3. Step 3: Cross multiply
    984,522x = 1,358,641.08 × 531,813
  4. Step 4: Simplify right side
    984,522x = 722,542,988,678.04
  5. Step 5: Solve for x
    x = 722,542,988,678.04/984,522
  6. Step 6: Final answer
    x = 733,902.33

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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.