Home / 956,447.38-1,319,599.92-542,916.46

Finding the Fourth Proportional to 956,447.38, 1,319,599.92 and 542,916.46

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Solution

The fourth proportional to 956,447.38, 1,319,599.92 and 542,916.46 is: 749,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,447.38 : 1,319,599.92 = 542,916.46 : x
  2. Step 2: Convert to fraction form
    956,447.38/1,319,599.92 = 542,916.46/x
  3. Step 3: Cross multiply
    956,447.38x = 1,319,599.92 × 542,916.46
  4. Step 4: Simplify right side
    956,447.38x = 716,432,517,182.68
  5. Step 5: Solve for x
    x = 716,432,517,182.68/956,447.38
  6. Step 6: Final answer
    x = 749,055.86

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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.