Home / 972,531.63-1,342,039.02-542,839.42

Finding the Fourth Proportional to 972,531.63, 1,342,039.02 and 542,839.42

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Solution

The fourth proportional to 972,531.63, 1,342,039.02 and 542,839.42 is: 749,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,531.63 : 1,342,039.02 = 542,839.42 : x
  2. Step 2: Convert to fraction form
    972,531.63/1,342,039.02 = 542,839.42/x
  3. Step 3: Cross multiply
    972,531.63x = 1,342,039.02 × 542,839.42
  4. Step 4: Simplify right side
    972,531.63x = 728,511,682,876.07
  5. Step 5: Solve for x
    x = 728,511,682,876.07/972,531.63
  6. Step 6: Final answer
    x = 749,087.91

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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.