Home / 571,112.20-855,912.30-304,298.20

Finding the Fourth Proportional to 571,112.20, 855,912.30 and 304,298.20

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Solution

The fourth proportional to 571,112.20, 855,912.30 and 304,298.20 is: 456,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,112.20 : 855,912.30 = 304,298.20 : x
  2. Step 2: Convert to fraction form
    571,112.20/855,912.30 = 304,298.20/x
  3. Step 3: Cross multiply
    571,112.20x = 855,912.30 × 304,298.20
  4. Step 4: Simplify right side
    571,112.20x = 260,452,572,247.86
  5. Step 5: Solve for x
    x = 260,452,572,247.86/571,112.20
  6. Step 6: Final answer
    x = 456,044.49

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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.