Home / 888,812.72-1,226,560.75-501,709.62

Finding the Fourth Proportional to 888,812.72, 1,226,560.75 and 501,709.62

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Solution

The fourth proportional to 888,812.72, 1,226,560.75 and 501,709.62 is: 692,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,812.72 : 1,226,560.75 = 501,709.62 : x
  2. Step 2: Convert to fraction form
    888,812.72/1,226,560.75 = 501,709.62/x
  3. Step 3: Cross multiply
    888,812.72x = 1,226,560.75 × 501,709.62
  4. Step 4: Simplify right side
    888,812.72x = 615,377,321,656.61
  5. Step 5: Solve for x
    x = 615,377,321,656.61/888,812.72
  6. Step 6: Final answer
    x = 692,358.82

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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.