Home / 755,355.32-1,131,402-355,396.76

Finding the Fourth Proportional to 755,355.32, 1,131,402 and 355,396.76

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Solution

The fourth proportional to 755,355.32, 1,131,402 and 355,396.76 is: 532,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,355.32 : 1,131,402 = 355,396.76 : x
  2. Step 2: Convert to fraction form
    755,355.32/1,131,402 = 355,396.76/x
  3. Step 3: Cross multiply
    755,355.32x = 1,131,402 × 355,396.76
  4. Step 4: Simplify right side
    755,355.32x = 402,096,605,057.52
  5. Step 5: Solve for x
    x = 402,096,605,057.52/755,355.32
  6. Step 6: Final answer
    x = 532,327.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.