Home / 651,126.43-976,832.36-218,828.40

Finding the Fourth Proportional to 651,126.43, 976,832.36 and 218,828.40

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Solution

The fourth proportional to 651,126.43, 976,832.36 and 218,828.40 is: 328,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,126.43 : 976,832.36 = 218,828.40 : x
  2. Step 2: Convert to fraction form
    651,126.43/976,832.36 = 218,828.40/x
  3. Step 3: Cross multiply
    651,126.43x = 976,832.36 × 218,828.40
  4. Step 4: Simplify right side
    651,126.43x = 213,758,656,428.72
  5. Step 5: Solve for x
    x = 213,758,656,428.72/651,126.43
  6. Step 6: Final answer
    x = 328,290.55

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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.