Home / 885,948.30-1,330,234.65-686,493.90

Finding the Fourth Proportional to 885,948.30, 1,330,234.65 and 686,493.90

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Solution

The fourth proportional to 885,948.30, 1,330,234.65 and 686,493.90 is: 1,030,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,948.30 : 1,330,234.65 = 686,493.90 : x
  2. Step 2: Convert to fraction form
    885,948.30/1,330,234.65 = 686,493.90/x
  3. Step 3: Cross multiply
    885,948.30x = 1,330,234.65 × 686,493.90
  4. Step 4: Simplify right side
    885,948.30x = 913,197,972,793.64
  5. Step 5: Solve for x
    x = 913,197,972,793.64/885,948.30
  6. Step 6: Final answer
    x = 1,030,757.63

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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.