Home / 565,979.08-781,108.36-324,293.72

Finding the Fourth Proportional to 565,979.08, 781,108.36 and 324,293.72

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Solution

The fourth proportional to 565,979.08, 781,108.36 and 324,293.72 is: 447,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,979.08 : 781,108.36 = 324,293.72 : x
  2. Step 2: Convert to fraction form
    565,979.08/781,108.36 = 324,293.72/x
  3. Step 3: Cross multiply
    565,979.08x = 781,108.36 × 324,293.72
  4. Step 4: Simplify right side
    565,979.08x = 253,308,535,787.50
  5. Step 5: Solve for x
    x = 253,308,535,787.50/565,979.08
  6. Step 6: Final answer
    x = 447,558.12

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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.