Home / 418,884.06-578,042.88-227,897.66

Finding the Fourth Proportional to 418,884.06, 578,042.88 and 227,897.66

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Solution

The fourth proportional to 418,884.06, 578,042.88 and 227,897.66 is: 314,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,884.06 : 578,042.88 = 227,897.66 : x
  2. Step 2: Convert to fraction form
    418,884.06/578,042.88 = 227,897.66/x
  3. Step 3: Cross multiply
    418,884.06x = 578,042.88 × 227,897.66
  4. Step 4: Simplify right side
    418,884.06x = 131,734,619,731.66
  5. Step 5: Solve for x
    x = 131,734,619,731.66/418,884.06
  6. Step 6: Final answer
    x = 314,489.45

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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.