Home / 559,180.20-771,663.36-304,535.64

Finding the Fourth Proportional to 559,180.20, 771,663.36 and 304,535.64

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Solution

The fourth proportional to 559,180.20, 771,663.36 and 304,535.64 is: 420,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,180.20 : 771,663.36 = 304,535.64 : x
  2. Step 2: Convert to fraction form
    559,180.20/771,663.36 = 304,535.64/x
  3. Step 3: Cross multiply
    559,180.20x = 771,663.36 × 304,535.64
  4. Step 4: Simplify right side
    559,180.20x = 234,998,995,202.15
  5. Step 5: Solve for x
    x = 234,998,995,202.15/559,180.20
  6. Step 6: Final answer
    x = 420,256.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.