Home / 929,331.25-1,282,499.24-521,463.27

Finding the Fourth Proportional to 929,331.25, 1,282,499.24 and 521,463.27

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Solution

The fourth proportional to 929,331.25, 1,282,499.24 and 521,463.27 is: 719,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,331.25 : 1,282,499.24 = 521,463.27 : x
  2. Step 2: Convert to fraction form
    929,331.25/1,282,499.24 = 521,463.27/x
  3. Step 3: Cross multiply
    929,331.25x = 1,282,499.24 × 521,463.27
  4. Step 4: Simplify right side
    929,331.25x = 668,776,247,462.92
  5. Step 5: Solve for x
    x = 668,776,247,462.92/929,331.25
  6. Step 6: Final answer
    x = 719,631.72

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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.