Home / 770,306.56-1,155,648.94-543,046.28

Finding the Fourth Proportional to 770,306.56, 1,155,648.94 and 543,046.28

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Solution

The fourth proportional to 770,306.56, 1,155,648.94 and 543,046.28 is: 814,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,306.56 : 1,155,648.94 = 543,046.28 : x
  2. Step 2: Convert to fraction form
    770,306.56/1,155,648.94 = 543,046.28/x
  3. Step 3: Cross multiply
    770,306.56x = 1,155,648.94 × 543,046.28
  4. Step 4: Simplify right side
    770,306.56x = 627,570,850,717.08
  5. Step 5: Solve for x
    x = 627,570,850,717.08/770,306.56
  6. Step 6: Final answer
    x = 814,702.72

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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.