Home / 483,148.80-724,723.20-430,004.70

Finding the Fourth Proportional to 483,148.80, 724,723.20 and 430,004.70

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Solution

The fourth proportional to 483,148.80, 724,723.20 and 430,004.70 is: 645,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,148.80 : 724,723.20 = 430,004.70 : x
  2. Step 2: Convert to fraction form
    483,148.80/724,723.20 = 430,004.70/x
  3. Step 3: Cross multiply
    483,148.80x = 724,723.20 × 430,004.70
  4. Step 4: Simplify right side
    483,148.80x = 311,634,382,199.04
  5. Step 5: Solve for x
    x = 311,634,382,199.04/483,148.80
  6. Step 6: Final answer
    x = 645,007.05

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Similar ratio
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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.