Home / 870,514.80-1,305,772.20-807,529.20

Finding the Fourth Proportional to 870,514.80, 1,305,772.20 and 807,529.20

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Solution

The fourth proportional to 870,514.80, 1,305,772.20 and 807,529.20 is: 1,211,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,514.80 : 1,305,772.20 = 807,529.20 : x
  2. Step 2: Convert to fraction form
    870,514.80/1,305,772.20 = 807,529.20/x
  3. Step 3: Cross multiply
    870,514.80x = 1,305,772.20 × 807,529.20
  4. Step 4: Simplify right side
    870,514.80x = 1,054,449,180,048.24
  5. Step 5: Solve for x
    x = 1,054,449,180,048.24/870,514.80
  6. Step 6: Final answer
    x = 1,211,293.80

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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.