Home / 907,638.58-1,252,531.14-499,732

Finding the Fourth Proportional to 907,638.58, 1,252,531.14 and 499,732

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Solution

The fourth proportional to 907,638.58, 1,252,531.14 and 499,732 is: 689,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,638.58 : 1,252,531.14 = 499,732 : x
  2. Step 2: Convert to fraction form
    907,638.58/1,252,531.14 = 499,732/x
  3. Step 3: Cross multiply
    907,638.58x = 1,252,531.14 × 499,732
  4. Step 4: Simplify right side
    907,638.58x = 625,929,891,654.48
  5. Step 5: Solve for x
    x = 625,929,891,654.48/907,638.58
  6. Step 6: Final answer
    x = 689,624.60

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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.