Home / 729,222.68-1,006,327.38-402,535.82

Finding the Fourth Proportional to 729,222.68, 1,006,327.38 and 402,535.82

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Solution

The fourth proportional to 729,222.68, 1,006,327.38 and 402,535.82 is: 555,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,222.68 : 1,006,327.38 = 402,535.82 : x
  2. Step 2: Convert to fraction form
    729,222.68/1,006,327.38 = 402,535.82/x
  3. Step 3: Cross multiply
    729,222.68x = 1,006,327.38 × 402,535.82
  4. Step 4: Simplify right side
    729,222.68x = 405,082,817,096.75
  5. Step 5: Solve for x
    x = 405,082,817,096.75/729,222.68
  6. Step 6: Final answer
    x = 555,499.48

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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.