Home / 674,510.22-1,012,264.20-319,525.02

Finding the Fourth Proportional to 674,510.22, 1,012,264.20 and 319,525.02

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Solution

The fourth proportional to 674,510.22, 1,012,264.20 and 319,525.02 is: 479,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,510.22 : 1,012,264.20 = 319,525.02 : x
  2. Step 2: Convert to fraction form
    674,510.22/1,012,264.20 = 319,525.02/x
  3. Step 3: Cross multiply
    674,510.22x = 1,012,264.20 × 319,525.02
  4. Step 4: Simplify right side
    674,510.22x = 323,443,738,750.28
  5. Step 5: Solve for x
    x = 323,443,738,750.28/674,510.22
  6. Step 6: Final answer
    x = 479,523.85

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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.