Home / 763,722.10-1,146,807.15-607,251.70

Finding the Fourth Proportional to 763,722.10, 1,146,807.15 and 607,251.70

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Solution

The fourth proportional to 763,722.10, 1,146,807.15 and 607,251.70 is: 911,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,722.10 : 1,146,807.15 = 607,251.70 : x
  2. Step 2: Convert to fraction form
    763,722.10/1,146,807.15 = 607,251.70/x
  3. Step 3: Cross multiply
    763,722.10x = 1,146,807.15 × 607,251.70
  4. Step 4: Simplify right side
    763,722.10x = 696,400,591,409.66
  5. Step 5: Solve for x
    x = 696,400,591,409.66/763,722.10
  6. Step 6: Final answer
    x = 911,850.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.