Home / 723,835.80-1,086,444.90-618,773.40

Finding the Fourth Proportional to 723,835.80, 1,086,444.90 and 618,773.40

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Solution

The fourth proportional to 723,835.80, 1,086,444.90 and 618,773.40 is: 928,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,835.80 : 1,086,444.90 = 618,773.40 : x
  2. Step 2: Convert to fraction form
    723,835.80/1,086,444.90 = 618,773.40/x
  3. Step 3: Cross multiply
    723,835.80x = 1,086,444.90 × 618,773.40
  4. Step 4: Simplify right side
    723,835.80x = 672,263,204,685.66
  5. Step 5: Solve for x
    x = 672,263,204,685.66/723,835.80
  6. Step 6: Final answer
    x = 928,750.97

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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.