Home / 854,053.79-1,281,080.68-348,853.14

Finding the Fourth Proportional to 854,053.79, 1,281,080.68 and 348,853.14

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Solution

The fourth proportional to 854,053.79, 1,281,080.68 and 348,853.14 is: 523,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,053.79 : 1,281,080.68 = 348,853.14 : x
  2. Step 2: Convert to fraction form
    854,053.79/1,281,080.68 = 348,853.14/x
  3. Step 3: Cross multiply
    854,053.79x = 1,281,080.68 × 348,853.14
  4. Step 4: Simplify right side
    854,053.79x = 446,909,016,939.20
  5. Step 5: Solve for x
    x = 446,909,016,939.20/854,053.79
  6. Step 6: Final answer
    x = 523,279.71

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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.