Home / 972,562.95-1,342,138.41-542,842.97

Finding the Fourth Proportional to 972,562.95, 1,342,138.41 and 542,842.97

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Solution

The fourth proportional to 972,562.95, 1,342,138.41 and 542,842.97 is: 749,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,562.95 : 1,342,138.41 = 542,842.97 : x
  2. Step 2: Convert to fraction form
    972,562.95/1,342,138.41 = 542,842.97/x
  3. Step 3: Cross multiply
    972,562.95x = 1,342,138.41 × 542,842.97
  4. Step 4: Simplify right side
    972,562.95x = 728,570,393,924.79
  5. Step 5: Solve for x
    x = 728,570,393,924.79/972,562.95
  6. Step 6: Final answer
    x = 749,124.15

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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.