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Finding the Fourth Proportional to 677,260, 934,620.08 and 375,454

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Solution

The fourth proportional to 677,260, 934,620.08 and 375,454 is: 518,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,260 : 934,620.08 = 375,454 : x
  2. Step 2: Convert to fraction form
    677,260/934,620.08 = 375,454/x
  3. Step 3: Cross multiply
    677,260x = 934,620.08 × 375,454
  4. Step 4: Simplify right side
    677,260x = 350,906,847,516.32
  5. Step 5: Solve for x
    x = 350,906,847,516.32/677,260
  6. Step 6: Final answer
    x = 518,127.23

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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.