Home / 923,722.20-1,387,008.90-503,818.20

Finding the Fourth Proportional to 923,722.20, 1,387,008.90 and 503,818.20

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Solution

The fourth proportional to 923,722.20, 1,387,008.90 and 503,818.20 is: 756,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,722.20 : 1,387,008.90 = 503,818.20 : x
  2. Step 2: Convert to fraction form
    923,722.20/1,387,008.90 = 503,818.20/x
  3. Step 3: Cross multiply
    923,722.20x = 1,387,008.90 × 503,818.20
  4. Step 4: Simplify right side
    923,722.20x = 698,800,327,381.98
  5. Step 5: Solve for x
    x = 698,800,327,381.98/923,722.20
  6. Step 6: Final answer
    x = 756,504.85

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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.