Home / 753,153.12-1,129,729.46-220,674

Finding the Fourth Proportional to 753,153.12, 1,129,729.46 and 220,674

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Solution

The fourth proportional to 753,153.12, 1,129,729.46 and 220,674 is: 331,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,153.12 : 1,129,729.46 = 220,674 : x
  2. Step 2: Convert to fraction form
    753,153.12/1,129,729.46 = 220,674/x
  3. Step 3: Cross multiply
    753,153.12x = 1,129,729.46 × 220,674
  4. Step 4: Simplify right side
    753,153.12x = 249,301,917,752.67
  5. Step 5: Solve for x
    x = 249,301,917,752.67/753,153.12
  6. Step 6: Final answer
    x = 331,010.93

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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.