Home / 751,753.80-1,127,630.70-302,689.80

Finding the Fourth Proportional to 751,753.80, 1,127,630.70 and 302,689.80

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Solution

The fourth proportional to 751,753.80, 1,127,630.70 and 302,689.80 is: 454,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,753.80 : 1,127,630.70 = 302,689.80 : x
  2. Step 2: Convert to fraction form
    751,753.80/1,127,630.70 = 302,689.80/x
  3. Step 3: Cross multiply
    751,753.80x = 1,127,630.70 × 302,689.80
  4. Step 4: Simplify right side
    751,753.80x = 341,322,311,056.86
  5. Step 5: Solve for x
    x = 341,322,311,056.86/751,753.80
  6. Step 6: Final answer
    x = 454,034.70

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Double scale
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Similar ratio
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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.