Home / 925,350.40-1,387,685.62-317,966.47

Finding the Fourth Proportional to 925,350.40, 1,387,685.62 and 317,966.47

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Solution

The fourth proportional to 925,350.40, 1,387,685.62 and 317,966.47 is: 476,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,350.40 : 1,387,685.62 = 317,966.47 : x
  2. Step 2: Convert to fraction form
    925,350.40/1,387,685.62 = 317,966.47/x
  3. Step 3: Cross multiply
    925,350.40x = 1,387,685.62 × 317,966.47
  4. Step 4: Simplify right side
    925,350.40x = 441,237,493,438.29
  5. Step 5: Solve for x
    x = 441,237,493,438.29/925,350.40
  6. Step 6: Final answer
    x = 476,832.88

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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.