Home / 972,765.93-1,342,278.13-543,036.63

Finding the Fourth Proportional to 972,765.93, 1,342,278.13 and 543,036.63

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Solution

The fourth proportional to 972,765.93, 1,342,278.13 and 543,036.63 is: 749,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,765.93 : 1,342,278.13 = 543,036.63 : x
  2. Step 2: Convert to fraction form
    972,765.93/1,342,278.13 = 543,036.63/x
  3. Step 3: Cross multiply
    972,765.93x = 1,342,278.13 × 543,036.63
  4. Step 4: Simplify right side
    972,765.93x = 728,906,192,237.90
  5. Step 5: Solve for x
    x = 728,906,192,237.90/972,765.93
  6. Step 6: Final answer
    x = 749,313.04

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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.