Home / 691,627.87-954,450.66-385,723.72

Finding the Fourth Proportional to 691,627.87, 954,450.66 and 385,723.72

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Solution

The fourth proportional to 691,627.87, 954,450.66 and 385,723.72 is: 532,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,627.87 : 954,450.66 = 385,723.72 : x
  2. Step 2: Convert to fraction form
    691,627.87/954,450.66 = 385,723.72/x
  3. Step 3: Cross multiply
    691,627.87x = 954,450.66 × 385,723.72
  4. Step 4: Simplify right side
    691,627.87x = 368,154,259,131.66
  5. Step 5: Solve for x
    x = 368,154,259,131.66/691,627.87
  6. Step 6: Final answer
    x = 532,301.08

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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.