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Finding the Fourth Proportional to 534,640, 801,337.92 and 218,714.08

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Solution

The fourth proportional to 534,640, 801,337.92 and 218,714.08 is: 327,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,640 : 801,337.92 = 218,714.08 : x
  2. Step 2: Convert to fraction form
    534,640/801,337.92 = 218,714.08/x
  3. Step 3: Cross multiply
    534,640x = 801,337.92 × 218,714.08
  4. Step 4: Simplify right side
    534,640x = 175,263,885,941.91
  5. Step 5: Solve for x
    x = 175,263,885,941.91/534,640
  6. Step 6: Final answer
    x = 327,816.64

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1.5x scale

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.