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Finding the Fourth Proportional to 677,321.10, 934,713.63 and 371,425.41

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Solution

The fourth proportional to 677,321.10, 934,713.63 and 371,425.41 is: 512,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,321.10 : 934,713.63 = 371,425.41 : x
  2. Step 2: Convert to fraction form
    677,321.10/934,713.63 = 371,425.41/x
  3. Step 3: Cross multiply
    677,321.10x = 934,713.63 × 371,425.41
  4. Step 4: Simplify right side
    677,321.10x = 347,176,393,255.34
  5. Step 5: Solve for x
    x = 347,176,393,255.34/677,321.10
  6. Step 6: Final answer
    x = 512,572.83

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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.