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Finding the Fourth Proportional to 533,902.48, 736,785.32 and 292,185.20

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Solution

The fourth proportional to 533,902.48, 736,785.32 and 292,185.20 is: 403,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,902.48 : 736,785.32 = 292,185.20 : x
  2. Step 2: Convert to fraction form
    533,902.48/736,785.32 = 292,185.20/x
  3. Step 3: Cross multiply
    533,902.48x = 736,785.32 × 292,185.20
  4. Step 4: Simplify right side
    533,902.48x = 215,277,766,081.26
  5. Step 5: Solve for x
    x = 215,277,766,081.26/533,902.48
  6. Step 6: Final answer
    x = 403,215.52

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1.5x scale

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.