Home / 689,956.60-1,034,934.90-627,955.15

Finding the Fourth Proportional to 689,956.60, 1,034,934.90 and 627,955.15

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Solution

The fourth proportional to 689,956.60, 1,034,934.90 and 627,955.15 is: 941,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,956.60 : 1,034,934.90 = 627,955.15 : x
  2. Step 2: Convert to fraction form
    689,956.60/1,034,934.90 = 627,955.15/x
  3. Step 3: Cross multiply
    689,956.60x = 1,034,934.90 × 627,955.15
  4. Step 4: Simplify right side
    689,956.60x = 649,892,700,369.74
  5. Step 5: Solve for x
    x = 649,892,700,369.74/689,956.60
  6. Step 6: Final answer
    x = 941,932.73

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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.