Home / 807,371.60-1,211,057.40-555,429.20

Finding the Fourth Proportional to 807,371.60, 1,211,057.40 and 555,429.20

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Solution

The fourth proportional to 807,371.60, 1,211,057.40 and 555,429.20 is: 833,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,371.60 : 1,211,057.40 = 555,429.20 : x
  2. Step 2: Convert to fraction form
    807,371.60/1,211,057.40 = 555,429.20/x
  3. Step 3: Cross multiply
    807,371.60x = 1,211,057.40 × 555,429.20
  4. Step 4: Simplify right side
    807,371.60x = 672,656,642,836.08
  5. Step 5: Solve for x
    x = 672,656,642,836.08/807,371.60
  6. Step 6: Final answer
    x = 833,143.80

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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.