Home / 753,016.88-1,129,274.76-303,621.68

Finding the Fourth Proportional to 753,016.88, 1,129,274.76 and 303,621.68

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Solution

The fourth proportional to 753,016.88, 1,129,274.76 and 303,621.68 is: 455,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,016.88 : 1,129,274.76 = 303,621.68 : x
  2. Step 2: Convert to fraction form
    753,016.88/1,129,274.76 = 303,621.68/x
  3. Step 3: Cross multiply
    753,016.88x = 1,129,274.76 × 303,621.68
  4. Step 4: Simplify right side
    753,016.88x = 342,872,299,812.80
  5. Step 5: Solve for x
    x = 342,872,299,812.80/753,016.88
  6. Step 6: Final answer
    x = 455,331.49

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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.