Home / 917,025.60-1,375,532.64-498,958.56

Finding the Fourth Proportional to 917,025.60, 1,375,532.64 and 498,958.56

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Solution

The fourth proportional to 917,025.60, 1,375,532.64 and 498,958.56 is: 748,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,025.60 : 1,375,532.64 = 498,958.56 : x
  2. Step 2: Convert to fraction form
    917,025.60/1,375,532.64 = 498,958.56/x
  3. Step 3: Cross multiply
    917,025.60x = 1,375,532.64 × 498,958.56
  4. Step 4: Simplify right side
    917,025.60x = 686,333,785,287.40
  5. Step 5: Solve for x
    x = 686,333,785,287.40/917,025.60
  6. Step 6: Final answer
    x = 748,434.71

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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.