Home / 691,621.04-954,441.16-385,716.80

Finding the Fourth Proportional to 691,621.04, 954,441.16 and 385,716.80

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Solution

The fourth proportional to 691,621.04, 954,441.16 and 385,716.80 is: 532,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,621.04 : 954,441.16 = 385,716.80 : x
  2. Step 2: Convert to fraction form
    691,621.04/954,441.16 = 385,716.80/x
  3. Step 3: Cross multiply
    691,621.04x = 954,441.16 × 385,716.80
  4. Step 4: Simplify right side
    691,621.04x = 368,143,990,023.49
  5. Step 5: Solve for x
    x = 368,143,990,023.49/691,621.04
  6. Step 6: Final answer
    x = 532,291.48

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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.