Home / 809,545.70-1,215,052.95-410,464.10

Finding the Fourth Proportional to 809,545.70, 1,215,052.95 and 410,464.10

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Solution

The fourth proportional to 809,545.70, 1,215,052.95 and 410,464.10 is: 616,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,545.70 : 1,215,052.95 = 410,464.10 : x
  2. Step 2: Convert to fraction form
    809,545.70/1,215,052.95 = 410,464.10/x
  3. Step 3: Cross multiply
    809,545.70x = 1,215,052.95 × 410,464.10
  4. Step 4: Simplify right side
    809,545.70x = 498,735,615,574.10
  5. Step 5: Solve for x
    x = 498,735,615,574.10/809,545.70
  6. Step 6: Final answer
    x = 616,068.51

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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.