Home / 972,917.28-1,342,612.80-543,204

Finding the Fourth Proportional to 972,917.28, 1,342,612.80 and 543,204

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Solution

The fourth proportional to 972,917.28, 1,342,612.80 and 543,204 is: 749,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,917.28 : 1,342,612.80 = 543,204 : x
  2. Step 2: Convert to fraction form
    972,917.28/1,342,612.80 = 543,204/x
  3. Step 3: Cross multiply
    972,917.28x = 1,342,612.80 × 543,204
  4. Step 4: Simplify right side
    972,917.28x = 729,312,643,411.20
  5. Step 5: Solve for x
    x = 729,312,643,411.20/972,917.28
  6. Step 6: Final answer
    x = 749,614.24

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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.