Home / 482,412.39-665,769.99-267,621.66

Finding the Fourth Proportional to 482,412.39, 665,769.99 and 267,621.66

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Solution

The fourth proportional to 482,412.39, 665,769.99 and 267,621.66 is: 369,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,412.39 : 665,769.99 = 267,621.66 : x
  2. Step 2: Convert to fraction form
    482,412.39/665,769.99 = 267,621.66/x
  3. Step 3: Cross multiply
    482,412.39x = 665,769.99 × 267,621.66
  4. Step 4: Simplify right side
    482,412.39x = 178,174,467,405.35
  5. Step 5: Solve for x
    x = 178,174,467,405.35/482,412.39
  6. Step 6: Final answer
    x = 369,340.57

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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.