Home / 522,730.64-721,358.72-293,292.16

Finding the Fourth Proportional to 522,730.64, 721,358.72 and 293,292.16

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Solution

The fourth proportional to 522,730.64, 721,358.72 and 293,292.16 is: 404,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,730.64 : 721,358.72 = 293,292.16 : x
  2. Step 2: Convert to fraction form
    522,730.64/721,358.72 = 293,292.16/x
  3. Step 3: Cross multiply
    522,730.64x = 721,358.72 × 293,292.16
  4. Step 4: Simplify right side
    522,730.64x = 211,568,857,123.64
  5. Step 5: Solve for x
    x = 211,568,857,123.64/522,730.64
  6. Step 6: Final answer
    x = 404,737.82

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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.