Home / 690,766.67-1,031,293.04-527,807.86

Finding the Fourth Proportional to 690,766.67, 1,031,293.04 and 527,807.86

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Solution

The fourth proportional to 690,766.67, 1,031,293.04 and 527,807.86 is: 788,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,766.67 : 1,031,293.04 = 527,807.86 : x
  2. Step 2: Convert to fraction form
    690,766.67/1,031,293.04 = 527,807.86/x
  3. Step 3: Cross multiply
    690,766.67x = 1,031,293.04 × 527,807.86
  4. Step 4: Simplify right side
    690,766.67x = 544,324,567,258.02
  5. Step 5: Solve for x
    x = 544,324,567,258.02/690,766.67
  6. Step 6: Final answer
    x = 788,000.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.