Home / 870,029.20-1,305,043.80-565,598.80

Finding the Fourth Proportional to 870,029.20, 1,305,043.80 and 565,598.80

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Solution

The fourth proportional to 870,029.20, 1,305,043.80 and 565,598.80 is: 848,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,029.20 : 1,305,043.80 = 565,598.80 : x
  2. Step 2: Convert to fraction form
    870,029.20/1,305,043.80 = 565,598.80/x
  3. Step 3: Cross multiply
    870,029.20x = 1,305,043.80 × 565,598.80
  4. Step 4: Simplify right side
    870,029.20x = 738,131,207,227.44
  5. Step 5: Solve for x
    x = 738,131,207,227.44/870,029.20
  6. Step 6: Final answer
    x = 848,398.20

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Double scale
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Similar ratio
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1.5x scale

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.