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Finding the Fourth Proportional to 552,554.28, 762,523.81 and 310,837.04

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Solution

The fourth proportional to 552,554.28, 762,523.81 and 310,837.04 is: 428,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,554.28 : 762,523.81 = 310,837.04 : x
  2. Step 2: Convert to fraction form
    552,554.28/762,523.81 = 310,837.04/x
  3. Step 3: Cross multiply
    552,554.28x = 762,523.81 × 310,837.04
  4. Step 4: Simplify right side
    552,554.28x = 237,020,644,029.92
  5. Step 5: Solve for x
    x = 237,020,644,029.92/552,554.28
  6. Step 6: Final answer
    x = 428,954.50

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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.