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Finding the Fourth Proportional to 552,256.39, 762,098.70 and 310,532.77

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Solution

The fourth proportional to 552,256.39, 762,098.70 and 310,532.77 is: 428,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,256.39 : 762,098.70 = 310,532.77 : x
  2. Step 2: Convert to fraction form
    552,256.39/762,098.70 = 310,532.77/x
  3. Step 3: Cross multiply
    552,256.39x = 762,098.70 × 310,532.77
  4. Step 4: Simplify right side
    552,256.39x = 236,656,620,324.40
  5. Step 5: Solve for x
    x = 236,656,620,324.40/552,256.39
  6. Step 6: Final answer
    x = 428,526.72

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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.