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Finding the Fourth Proportional to 675,719.78, 932,453.10 and 369,735.12

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Solution

The fourth proportional to 675,719.78, 932,453.10 and 369,735.12 is: 510,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,719.78 : 932,453.10 = 369,735.12 : x
  2. Step 2: Convert to fraction form
    675,719.78/932,453.10 = 369,735.12/x
  3. Step 3: Cross multiply
    675,719.78x = 932,453.10 × 369,735.12
  4. Step 4: Simplify right side
    675,719.78x = 344,760,658,822.87
  5. Step 5: Solve for x
    x = 344,760,658,822.87/675,719.78
  6. Step 6: Final answer
    x = 510,212.48

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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.