Home / 559,120.05-771,594.47-304,471.04

Finding the Fourth Proportional to 559,120.05, 771,594.47 and 304,471.04

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Solution

The fourth proportional to 559,120.05, 771,594.47 and 304,471.04 is: 420,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,120.05 : 771,594.47 = 304,471.04 : x
  2. Step 2: Convert to fraction form
    559,120.05/771,594.47 = 304,471.04/x
  3. Step 3: Cross multiply
    559,120.05x = 771,594.47 × 304,471.04
  4. Step 4: Simplify right side
    559,120.05x = 234,928,165,358.82
  5. Step 5: Solve for x
    x = 234,928,165,358.82/559,120.05
  6. Step 6: Final answer
    x = 420,174.82

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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.