Home / 809,478.27-1,117,081.68-446,902.83

Finding the Fourth Proportional to 809,478.27, 1,117,081.68 and 446,902.83

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Solution

The fourth proportional to 809,478.27, 1,117,081.68 and 446,902.83 is: 616,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,478.27 : 1,117,081.68 = 446,902.83 : x
  2. Step 2: Convert to fraction form
    809,478.27/1,117,081.68 = 446,902.83/x
  3. Step 3: Cross multiply
    809,478.27x = 1,117,081.68 × 446,902.83
  4. Step 4: Simplify right side
    809,478.27x = 499,226,964,133.15
  5. Step 5: Solve for x
    x = 499,226,964,133.15/809,478.27
  6. Step 6: Final answer
    x = 616,726.83

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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.