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Finding the Fourth Proportional to 677,040.39, 934,302.42 and 371,117.43

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Solution

The fourth proportional to 677,040.39, 934,302.42 and 371,117.43 is: 512,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,040.39 : 934,302.42 = 371,117.43 : x
  2. Step 2: Convert to fraction form
    677,040.39/934,302.42 = 371,117.43/x
  3. Step 3: Cross multiply
    677,040.39x = 934,302.42 × 371,117.43
  4. Step 4: Simplify right side
    677,040.39x = 346,735,912,953.18
  5. Step 5: Solve for x
    x = 346,735,912,953.18/677,040.39
  6. Step 6: Final answer
    x = 512,134.75

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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.