Home / 907,702.64-1,252,657.24-499,819.11

Finding the Fourth Proportional to 907,702.64, 1,252,657.24 and 499,819.11

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Solution

The fourth proportional to 907,702.64, 1,252,657.24 and 499,819.11 is: 689,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,702.64 : 1,252,657.24 = 499,819.11 : x
  2. Step 2: Convert to fraction form
    907,702.64/1,252,657.24 = 499,819.11/x
  3. Step 3: Cross multiply
    907,702.64x = 1,252,657.24 × 499,819.11
  4. Step 4: Simplify right side
    907,702.64x = 626,102,020,884.84
  5. Step 5: Solve for x
    x = 626,102,020,884.84/907,702.64
  6. Step 6: Final answer
    x = 689,765.56

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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.