Home / 907,732.20-1,252,679.76-499,872

Finding the Fourth Proportional to 907,732.20, 1,252,679.76 and 499,872

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Solution

The fourth proportional to 907,732.20, 1,252,679.76 and 499,872 is: 689,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,732.20 : 1,252,679.76 = 499,872 : x
  2. Step 2: Convert to fraction form
    907,732.20/1,252,679.76 = 499,872/x
  3. Step 3: Cross multiply
    907,732.20x = 1,252,679.76 × 499,872
  4. Step 4: Simplify right side
    907,732.20x = 626,179,536,990.72
  5. Step 5: Solve for x
    x = 626,179,536,990.72/907,732.20
  6. Step 6: Final answer
    x = 689,828.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.