Home / 980,904.70-1,471,405.65-508,512.70

Finding the Fourth Proportional to 980,904.70, 1,471,405.65 and 508,512.70

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Solution

The fourth proportional to 980,904.70, 1,471,405.65 and 508,512.70 is: 762,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,904.70 : 1,471,405.65 = 508,512.70 : x
  2. Step 2: Convert to fraction form
    980,904.70/1,471,405.65 = 508,512.70/x
  3. Step 3: Cross multiply
    980,904.70x = 1,471,405.65 × 508,512.70
  4. Step 4: Simplify right side
    980,904.70x = 748,228,459,876.76
  5. Step 5: Solve for x
    x = 748,228,459,876.76/980,904.70
  6. Step 6: Final answer
    x = 762,794.24

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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.