Home / 907,465.26-1,252,279.98-499,563.78

Finding the Fourth Proportional to 907,465.26, 1,252,279.98 and 499,563.78

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Solution

The fourth proportional to 907,465.26, 1,252,279.98 and 499,563.78 is: 689,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,465.26 : 1,252,279.98 = 499,563.78 : x
  2. Step 2: Convert to fraction form
    907,465.26/1,252,279.98 = 499,563.78/x
  3. Step 3: Cross multiply
    907,465.26x = 1,252,279.98 × 499,563.78
  4. Step 4: Simplify right side
    907,465.26x = 625,593,720,427.12
  5. Step 5: Solve for x
    x = 625,593,720,427.12/907,465.26
  6. Step 6: Final answer
    x = 689,385.86

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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.