Home / 563,376.78-845,104.19-226,417.72

Finding the Fourth Proportional to 563,376.78, 845,104.19 and 226,417.72

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Solution

The fourth proportional to 563,376.78, 845,104.19 and 226,417.72 is: 339,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,376.78 : 845,104.19 = 226,417.72 : x
  2. Step 2: Convert to fraction form
    563,376.78/845,104.19 = 226,417.72/x
  3. Step 3: Cross multiply
    563,376.78x = 845,104.19 × 226,417.72
  4. Step 4: Simplify right side
    563,376.78x = 191,346,561,013.55
  5. Step 5: Solve for x
    x = 191,346,561,013.55/563,376.78
  6. Step 6: Final answer
    x = 339,642.26

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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.