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Finding the Fourth Proportional to 552,585.58, 762,524.49 and 310,820.02

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Solution

The fourth proportional to 552,585.58, 762,524.49 and 310,820.02 is: 428,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,585.58 : 762,524.49 = 310,820.02 : x
  2. Step 2: Convert to fraction form
    552,585.58/762,524.49 = 310,820.02/x
  3. Step 3: Cross multiply
    552,585.58x = 762,524.49 × 310,820.02
  4. Step 4: Simplify right side
    552,585.58x = 237,007,877,232.29
  5. Step 5: Solve for x
    x = 237,007,877,232.29/552,585.58
  6. Step 6: Final answer
    x = 428,907.10

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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.