Home / 858,737.40-1,288,106.10-504,151.80

Finding the Fourth Proportional to 858,737.40, 1,288,106.10 and 504,151.80

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Solution

The fourth proportional to 858,737.40, 1,288,106.10 and 504,151.80 is: 756,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,737.40 : 1,288,106.10 = 504,151.80 : x
  2. Step 2: Convert to fraction form
    858,737.40/1,288,106.10 = 504,151.80/x
  3. Step 3: Cross multiply
    858,737.40x = 1,288,106.10 × 504,151.80
  4. Step 4: Simplify right side
    858,737.40x = 649,401,008,905.98
  5. Step 5: Solve for x
    x = 649,401,008,905.98/858,737.40
  6. Step 6: Final answer
    x = 756,227.70

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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.