Home / 559,215.72-771,793.80-329,837.88

Finding the Fourth Proportional to 559,215.72, 771,793.80 and 329,837.88

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Solution

The fourth proportional to 559,215.72, 771,793.80 and 329,837.88 is: 455,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,215.72 : 771,793.80 = 329,837.88 : x
  2. Step 2: Convert to fraction form
    559,215.72/771,793.80 = 329,837.88/x
  3. Step 3: Cross multiply
    559,215.72x = 771,793.80 × 329,837.88
  4. Step 4: Simplify right side
    559,215.72x = 254,566,830,789.14
  5. Step 5: Solve for x
    x = 254,566,830,789.14/559,215.72
  6. Step 6: Final answer
    x = 455,221.16

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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.