Home / 907,634.92-1,252,566.03-499,766.71

Finding the Fourth Proportional to 907,634.92, 1,252,566.03 and 499,766.71

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Solution

The fourth proportional to 907,634.92, 1,252,566.03 and 499,766.71 is: 689,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,634.92 : 1,252,566.03 = 499,766.71 : x
  2. Step 2: Convert to fraction form
    907,634.92/1,252,566.03 = 499,766.71/x
  3. Step 3: Cross multiply
    907,634.92x = 1,252,566.03 × 499,766.71
  4. Step 4: Simplify right side
    907,634.92x = 625,990,803,870.86
  5. Step 5: Solve for x
    x = 625,990,803,870.86/907,634.92
  6. Step 6: Final answer
    x = 689,694.49

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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.