Home / 703,385.28-969,960.35-625,615.36

Finding the Fourth Proportional to 703,385.28, 969,960.35 and 625,615.36

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Solution

The fourth proportional to 703,385.28, 969,960.35 and 625,615.36 is: 862,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,385.28 : 969,960.35 = 625,615.36 : x
  2. Step 2: Convert to fraction form
    703,385.28/969,960.35 = 625,615.36/x
  3. Step 3: Cross multiply
    703,385.28x = 969,960.35 × 625,615.36
  4. Step 4: Simplify right side
    703,385.28x = 606,822,092,690.11
  5. Step 5: Solve for x
    x = 606,822,092,690.11/703,385.28
  6. Step 6: Final answer
    x = 862,716.51

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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.