Home / 558,964.56-771,350.40-304,310.64

Finding the Fourth Proportional to 558,964.56, 771,350.40 and 304,310.64

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Solution

The fourth proportional to 558,964.56, 771,350.40 and 304,310.64 is: 419,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,964.56 : 771,350.40 = 304,310.64 : x
  2. Step 2: Convert to fraction form
    558,964.56/771,350.40 = 304,310.64/x
  3. Step 3: Cross multiply
    558,964.56x = 771,350.40 × 304,310.64
  4. Step 4: Simplify right side
    558,964.56x = 234,730,133,888.26
  5. Step 5: Solve for x
    x = 234,730,133,888.26/558,964.56
  6. Step 6: Final answer
    x = 419,937.42

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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.