Home / 800,356.80-1,104,587.64-460,891.20

Finding the Fourth Proportional to 800,356.80, 1,104,587.64 and 460,891.20

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Solution

The fourth proportional to 800,356.80, 1,104,587.64 and 460,891.20 is: 636,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,356.80 : 1,104,587.64 = 460,891.20 : x
  2. Step 2: Convert to fraction form
    800,356.80/1,104,587.64 = 460,891.20/x
  3. Step 3: Cross multiply
    800,356.80x = 1,104,587.64 × 460,891.20
  4. Step 4: Simplify right side
    800,356.80x = 509,094,722,904.77
  5. Step 5: Solve for x
    x = 509,094,722,904.77/800,356.80
  6. Step 6: Final answer
    x = 636,084.71

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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.