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Finding the Fourth Proportional to 677,423.46, 934,758.46 and 371,419.32

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Solution

The fourth proportional to 677,423.46, 934,758.46 and 371,419.32 is: 512,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,423.46 : 934,758.46 = 371,419.32 : x
  2. Step 2: Convert to fraction form
    677,423.46/934,758.46 = 371,419.32/x
  3. Step 3: Cross multiply
    677,423.46x = 934,758.46 × 371,419.32
  4. Step 4: Simplify right side
    677,423.46x = 347,187,351,577.45
  5. Step 5: Solve for x
    x = 347,187,351,577.45/677,423.46
  6. Step 6: Final answer
    x = 512,511.56

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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.