Home / 977,108.70-1,465,614.45-503,841.90

Finding the Fourth Proportional to 977,108.70, 1,465,614.45 and 503,841.90

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Solution

The fourth proportional to 977,108.70, 1,465,614.45 and 503,841.90 is: 755,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,108.70 : 1,465,614.45 = 503,841.90 : x
  2. Step 2: Convert to fraction form
    977,108.70/1,465,614.45 = 503,841.90/x
  3. Step 3: Cross multiply
    977,108.70x = 1,465,614.45 × 503,841.90
  4. Step 4: Simplify right side
    977,108.70x = 738,437,969,155.46
  5. Step 5: Solve for x
    x = 738,437,969,155.46/977,108.70
  6. Step 6: Final answer
    x = 755,737.79

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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.