Home / 687,948.30-1,031,873.85-238,560.30

Finding the Fourth Proportional to 687,948.30, 1,031,873.85 and 238,560.30

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Solution

The fourth proportional to 687,948.30, 1,031,873.85 and 238,560.30 is: 357,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,948.30 : 1,031,873.85 = 238,560.30 : x
  2. Step 2: Convert to fraction form
    687,948.30/1,031,873.85 = 238,560.30/x
  3. Step 3: Cross multiply
    687,948.30x = 1,031,873.85 × 238,560.30
  4. Step 4: Simplify right side
    687,948.30x = 246,164,135,218.16
  5. Step 5: Solve for x
    x = 246,164,135,218.16/687,948.30
  6. Step 6: Final answer
    x = 357,823.60

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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.