Home / 669,389.71-1,004,084.63-170,753.71

Finding the Fourth Proportional to 669,389.71, 1,004,084.63 and 170,753.71

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Solution

The fourth proportional to 669,389.71, 1,004,084.63 and 170,753.71 is: 256,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,389.71 : 1,004,084.63 = 170,753.71 : x
  2. Step 2: Convert to fraction form
    669,389.71/1,004,084.63 = 170,753.71/x
  3. Step 3: Cross multiply
    669,389.71x = 1,004,084.63 × 170,753.71
  4. Step 4: Simplify right side
    669,389.71x = 171,451,175,726.48
  5. Step 5: Solve for x
    x = 171,451,175,726.48/669,389.71
  6. Step 6: Final answer
    x = 256,130.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.