Home / 937,751.20-1,406,626.80-306,512.80

Finding the Fourth Proportional to 937,751.20, 1,406,626.80 and 306,512.80

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Solution

The fourth proportional to 937,751.20, 1,406,626.80 and 306,512.80 is: 459,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,751.20 : 1,406,626.80 = 306,512.80 : x
  2. Step 2: Convert to fraction form
    937,751.20/1,406,626.80 = 306,512.80/x
  3. Step 3: Cross multiply
    937,751.20x = 1,406,626.80 × 306,512.80
  4. Step 4: Simplify right side
    937,751.20x = 431,149,119,023.04
  5. Step 5: Solve for x
    x = 431,149,119,023.04/937,751.20
  6. Step 6: Final answer
    x = 459,769.20

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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.