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Finding the Fourth Proportional to 675,665.22, 932,418.08 and 369,741.66

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Solution

The fourth proportional to 675,665.22, 932,418.08 and 369,741.66 is: 510,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,665.22 : 932,418.08 = 369,741.66 : x
  2. Step 2: Convert to fraction form
    675,665.22/932,418.08 = 369,741.66/x
  3. Step 3: Cross multiply
    675,665.22x = 932,418.08 × 369,741.66
  4. Step 4: Simplify right side
    675,665.22x = 344,753,808,713.21
  5. Step 5: Solve for x
    x = 344,753,808,713.21/675,665.22
  6. Step 6: Final answer
    x = 510,243.53

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1.5x scale

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.