Home / 724,826.76-1,000,761.39-453,016.68

Finding the Fourth Proportional to 724,826.76, 1,000,761.39 and 453,016.68

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Solution

The fourth proportional to 724,826.76, 1,000,761.39 and 453,016.68 is: 625,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,826.76 : 1,000,761.39 = 453,016.68 : x
  2. Step 2: Convert to fraction form
    724,826.76/1,000,761.39 = 453,016.68/x
  3. Step 3: Cross multiply
    724,826.76x = 1,000,761.39 × 453,016.68
  4. Step 4: Simplify right side
    724,826.76x = 453,361,602,369.99
  5. Step 5: Solve for x
    x = 453,361,602,369.99/724,826.76
  6. Step 6: Final answer
    x = 625,475.81

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1.5x scale

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.