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Finding the Fourth Proportional to 676,108, 932,993.56 and 370,125.72

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Solution

The fourth proportional to 676,108, 932,993.56 and 370,125.72 is: 510,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,108 : 932,993.56 = 370,125.72 : x
  2. Step 2: Convert to fraction form
    676,108/932,993.56 = 370,125.72/x
  3. Step 3: Cross multiply
    676,108x = 932,993.56 × 370,125.72
  4. Step 4: Simplify right side
    676,108x = 345,324,913,150.36
  5. Step 5: Solve for x
    x = 345,324,913,150.36/676,108
  6. Step 6: Final answer
    x = 510,754.07

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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.