Home / 579,252.32-868,079.01-418,042.48

Finding the Fourth Proportional to 579,252.32, 868,079.01 and 418,042.48

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Solution

The fourth proportional to 579,252.32, 868,079.01 and 418,042.48 is: 626,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,252.32 : 868,079.01 = 418,042.48 : x
  2. Step 2: Convert to fraction form
    579,252.32/868,079.01 = 418,042.48/x
  3. Step 3: Cross multiply
    579,252.32x = 868,079.01 × 418,042.48
  4. Step 4: Simplify right side
    579,252.32x = 362,893,902,176.35
  5. Step 5: Solve for x
    x = 362,893,902,176.35/579,252.32
  6. Step 6: Final answer
    x = 626,486.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.