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Finding the Fourth Proportional to 552,521.08, 762,546.54 and 310,813.84

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Solution

The fourth proportional to 552,521.08, 762,546.54 and 310,813.84 is: 428,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,521.08 : 762,546.54 = 310,813.84 : x
  2. Step 2: Convert to fraction form
    552,521.08/762,546.54 = 310,813.84/x
  3. Step 3: Cross multiply
    552,521.08x = 762,546.54 × 310,813.84
  4. Step 4: Simplify right side
    552,521.08x = 237,010,018,276.11
  5. Step 5: Solve for x
    x = 237,010,018,276.11/552,521.08
  6. Step 6: Final answer
    x = 428,961.04

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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.