Home / 1,523,356.80-2,285,035.20-386,116.80

Finding the Fourth Proportional to 1,523,356.80, 2,285,035.20 and 386,116.80

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Solution

The fourth proportional to 1,523,356.80, 2,285,035.20 and 386,116.80 is: 579,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,356.80 : 2,285,035.20 = 386,116.80 : x
  2. Step 2: Convert to fraction form
    1,523,356.80/2,285,035.20 = 386,116.80/x
  3. Step 3: Cross multiply
    1,523,356.80x = 2,285,035.20 × 386,116.80
  4. Step 4: Simplify right side
    1,523,356.80x = 882,290,479,311.36
  5. Step 5: Solve for x
    x = 882,290,479,311.36/1,523,356.80
  6. Step 6: Final answer
    x = 579,175.20

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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.