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Finding the Fourth Proportional to 677,321.26, 934,713.84 and 371,425.57

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Solution

The fourth proportional to 677,321.26, 934,713.84 and 371,425.57 is: 512,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,321.26 : 934,713.84 = 371,425.57 : x
  2. Step 2: Convert to fraction form
    677,321.26/934,713.84 = 371,425.57/x
  3. Step 3: Cross multiply
    677,321.26x = 934,713.84 × 371,425.57
  4. Step 4: Simplify right side
    677,321.26x = 347,176,619,864.95
  5. Step 5: Solve for x
    x = 347,176,619,864.95/677,321.26
  6. Step 6: Final answer
    x = 512,573.05

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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.