Home / 972,565.95-1,342,142.55-542,845.98

Finding the Fourth Proportional to 972,565.95, 1,342,142.55 and 542,845.98

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Solution

The fourth proportional to 972,565.95, 1,342,142.55 and 542,845.98 is: 749,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,565.95 : 1,342,142.55 = 542,845.98 : x
  2. Step 2: Convert to fraction form
    972,565.95/1,342,142.55 = 542,845.98/x
  3. Step 3: Cross multiply
    972,565.95x = 1,342,142.55 × 542,845.98
  4. Step 4: Simplify right side
    972,565.95x = 728,576,687,854.45
  5. Step 5: Solve for x
    x = 728,576,687,854.45/972,565.95
  6. Step 6: Final answer
    x = 749,128.31

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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.