Home / 875,826.54-1,312,780.11-342,761.70

Finding the Fourth Proportional to 875,826.54, 1,312,780.11 and 342,761.70

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Solution

The fourth proportional to 875,826.54, 1,312,780.11 and 342,761.70 is: 513,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,826.54 : 1,312,780.11 = 342,761.70 : x
  2. Step 2: Convert to fraction form
    875,826.54/1,312,780.11 = 342,761.70/x
  3. Step 3: Cross multiply
    875,826.54x = 1,312,780.11 × 342,761.70
  4. Step 4: Simplify right side
    875,826.54x = 449,970,742,229.79
  5. Step 5: Solve for x
    x = 449,970,742,229.79/875,826.54
  6. Step 6: Final answer
    x = 513,766.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.