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Finding the Fourth Proportional to 675,375.73, 932,041.53 and 385,030.23

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Solution

The fourth proportional to 675,375.73, 932,041.53 and 385,030.23 is: 531,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,375.73 : 932,041.53 = 385,030.23 : x
  2. Step 2: Convert to fraction form
    675,375.73/932,041.53 = 385,030.23/x
  3. Step 3: Cross multiply
    675,375.73x = 932,041.53 × 385,030.23
  4. Step 4: Simplify right side
    675,375.73x = 358,864,164,665.45
  5. Step 5: Solve for x
    x = 358,864,164,665.45/675,375.73
  6. Step 6: Final answer
    x = 531,354.84

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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.