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Finding the Fourth Proportional to 676,960.81, 934,216.13 and 371,034.74

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Solution

The fourth proportional to 676,960.81, 934,216.13 and 371,034.74 is: 512,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,960.81 : 934,216.13 = 371,034.74 : x
  2. Step 2: Convert to fraction form
    676,960.81/934,216.13 = 371,034.74/x
  3. Step 3: Cross multiply
    676,960.81x = 934,216.13 × 371,034.74
  4. Step 4: Simplify right side
    676,960.81x = 346,626,642,161.48
  5. Step 5: Solve for x
    x = 346,626,642,161.48/676,960.81
  6. Step 6: Final answer
    x = 512,033.55

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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.