Home / 980,826.60-1,471,280.67-306,920.91

Finding the Fourth Proportional to 980,826.60, 1,471,280.67 and 306,920.91

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Solution

The fourth proportional to 980,826.60, 1,471,280.67 and 306,920.91 is: 460,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,826.60 : 1,471,280.67 = 306,920.91 : x
  2. Step 2: Convert to fraction form
    980,826.60/1,471,280.67 = 306,920.91/x
  3. Step 3: Cross multiply
    980,826.60x = 1,471,280.67 × 306,920.91
  4. Step 4: Simplify right side
    980,826.60x = 451,566,802,101.81
  5. Step 5: Solve for x
    x = 451,566,802,101.81/980,826.60
  6. Step 6: Final answer
    x = 460,394.12

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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.