Home / 870,029.70-1,305,044.55-565,599.30

Finding the Fourth Proportional to 870,029.70, 1,305,044.55 and 565,599.30

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Solution

The fourth proportional to 870,029.70, 1,305,044.55 and 565,599.30 is: 848,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,029.70 : 1,305,044.55 = 565,599.30 : x
  2. Step 2: Convert to fraction form
    870,029.70/1,305,044.55 = 565,599.30/x
  3. Step 3: Cross multiply
    870,029.70x = 1,305,044.55 × 565,599.30
  4. Step 4: Simplify right side
    870,029.70x = 738,132,283,948.82
  5. Step 5: Solve for x
    x = 738,132,283,948.82/870,029.70
  6. Step 6: Final answer
    x = 848,398.95

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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.