Home / 722,470.16-1,083,489.18-453,007.58

Finding the Fourth Proportional to 722,470.16, 1,083,489.18 and 453,007.58

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Solution

The fourth proportional to 722,470.16, 1,083,489.18 and 453,007.58 is: 679,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,470.16 : 1,083,489.18 = 453,007.58 : x
  2. Step 2: Convert to fraction form
    722,470.16/1,083,489.18 = 453,007.58/x
  3. Step 3: Cross multiply
    722,470.16x = 1,083,489.18 × 453,007.58
  4. Step 4: Simplify right side
    722,470.16x = 490,828,809,122.95
  5. Step 5: Solve for x
    x = 490,828,809,122.95/722,470.16
  6. Step 6: Final answer
    x = 679,375.89

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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.