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Finding the Fourth Proportional to 677,310.21, 934,730.24 and 375,504.21

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Solution

The fourth proportional to 677,310.21, 934,730.24 and 375,504.21 is: 518,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,310.21 : 934,730.24 = 375,504.21 : x
  2. Step 2: Convert to fraction form
    677,310.21/934,730.24 = 375,504.21/x
  3. Step 3: Cross multiply
    677,310.21x = 934,730.24 × 375,504.21
  4. Step 4: Simplify right side
    677,310.21x = 350,995,138,456.79
  5. Step 5: Solve for x
    x = 350,995,138,456.79/677,310.21
  6. Step 6: Final answer
    x = 518,219.18

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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.