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Finding the Fourth Proportional to 625,220.72, 862,805.08 and 367,047.12

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Solution

The fourth proportional to 625,220.72, 862,805.08 and 367,047.12 is: 506,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,220.72 : 862,805.08 = 367,047.12 : x
  2. Step 2: Convert to fraction form
    625,220.72/862,805.08 = 367,047.12/x
  3. Step 3: Cross multiply
    625,220.72x = 862,805.08 × 367,047.12
  4. Step 4: Simplify right side
    625,220.72x = 316,690,119,735.37
  5. Step 5: Solve for x
    x = 316,690,119,735.37/625,220.72
  6. Step 6: Final answer
    x = 506,525.31

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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.