Home / 907,730.20-1,252,677-499,870

Finding the Fourth Proportional to 907,730.20, 1,252,677 and 499,870

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Solution

The fourth proportional to 907,730.20, 1,252,677 and 499,870 is: 689,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,730.20 : 1,252,677 = 499,870 : x
  2. Step 2: Convert to fraction form
    907,730.20/1,252,677 = 499,870/x
  3. Step 3: Cross multiply
    907,730.20x = 1,252,677 × 499,870
  4. Step 4: Simplify right side
    907,730.20x = 626,175,651,990
  5. Step 5: Solve for x
    x = 626,175,651,990/907,730.20
  6. Step 6: Final answer
    x = 689,825.73

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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.