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Finding the Fourth Proportional to 487,877.97, 732,237.33 and 338,223.35

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Solution

The fourth proportional to 487,877.97, 732,237.33 and 338,223.35 is: 507,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,877.97 : 732,237.33 = 338,223.35 : x
  2. Step 2: Convert to fraction form
    487,877.97/732,237.33 = 338,223.35/x
  3. Step 3: Cross multiply
    487,877.97x = 732,237.33 × 338,223.35
  4. Step 4: Simplify right side
    487,877.97x = 247,659,759,225.95
  5. Step 5: Solve for x
    x = 247,659,759,225.95/487,877.97
  6. Step 6: Final answer
    x = 507,626.45

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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.