Home / 931,618.28-1,285,634.76-523,742.96

Finding the Fourth Proportional to 931,618.28, 1,285,634.76 and 523,742.96

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Solution

The fourth proportional to 931,618.28, 1,285,634.76 and 523,742.96 is: 722,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,618.28 : 1,285,634.76 = 523,742.96 : x
  2. Step 2: Convert to fraction form
    931,618.28/1,285,634.76 = 523,742.96/x
  3. Step 3: Cross multiply
    931,618.28x = 1,285,634.76 × 523,742.96
  4. Step 4: Simplify right side
    931,618.28x = 673,342,154,681.29
  5. Step 5: Solve for x
    x = 673,342,154,681.29/931,618.28
  6. Step 6: Final answer
    x = 722,766.15

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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.