Home / 872,508.05-1,308,056.15-392,384.24

Finding the Fourth Proportional to 872,508.05, 1,308,056.15 and 392,384.24

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Solution

The fourth proportional to 872,508.05, 1,308,056.15 and 392,384.24 is: 588,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,508.05 : 1,308,056.15 = 392,384.24 : x
  2. Step 2: Convert to fraction form
    872,508.05/1,308,056.15 = 392,384.24/x
  3. Step 3: Cross multiply
    872,508.05x = 1,308,056.15 × 392,384.24
  4. Step 4: Simplify right side
    872,508.05x = 513,260,622,546.18
  5. Step 5: Solve for x
    x = 513,260,622,546.18/872,508.05
  6. Step 6: Final answer
    x = 588,258.90

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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.