Home / 972,947.52-1,342,653.44-543,233.61

Finding the Fourth Proportional to 972,947.52, 1,342,653.44 and 543,233.61

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Solution

The fourth proportional to 972,947.52, 1,342,653.44 and 543,233.61 is: 749,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,947.52 : 1,342,653.44 = 543,233.61 : x
  2. Step 2: Convert to fraction form
    972,947.52/1,342,653.44 = 543,233.61/x
  3. Step 3: Cross multiply
    972,947.52x = 1,342,653.44 × 543,233.61
  4. Step 4: Simplify right side
    972,947.52x = 729,374,472,473.95
  5. Step 5: Solve for x
    x = 729,374,472,473.95/972,947.52
  6. Step 6: Final answer
    x = 749,654.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.