Home / 722,036.14-1,083,079.30-342,761.46

Finding the Fourth Proportional to 722,036.14, 1,083,079.30 and 342,761.46

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Solution

The fourth proportional to 722,036.14, 1,083,079.30 and 342,761.46 is: 514,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,036.14 : 1,083,079.30 = 342,761.46 : x
  2. Step 2: Convert to fraction form
    722,036.14/1,083,079.30 = 342,761.46/x
  3. Step 3: Cross multiply
    722,036.14x = 1,083,079.30 × 342,761.46
  4. Step 4: Simplify right side
    722,036.14x = 371,237,842,163.78
  5. Step 5: Solve for x
    x = 371,237,842,163.78/722,036.14
  6. Step 6: Final answer
    x = 514,154.10

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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.