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Finding the Fourth Proportional to 546,382.42, 754,107.33 and 317,086.42

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Solution

The fourth proportional to 546,382.42, 754,107.33 and 317,086.42 is: 437,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,382.42 : 754,107.33 = 317,086.42 : x
  2. Step 2: Convert to fraction form
    546,382.42/754,107.33 = 317,086.42/x
  3. Step 3: Cross multiply
    546,382.42x = 754,107.33 × 317,086.42
  4. Step 4: Simplify right side
    546,382.42x = 239,117,193,565.46
  5. Step 5: Solve for x
    x = 239,117,193,565.46/546,382.42
  6. Step 6: Final answer
    x = 437,637.06

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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.