Home / 600,642.28-828,979.68-342,519.85

Finding the Fourth Proportional to 600,642.28, 828,979.68 and 342,519.85

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Solution

The fourth proportional to 600,642.28, 828,979.68 and 342,519.85 is: 472,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,642.28 : 828,979.68 = 342,519.85 : x
  2. Step 2: Convert to fraction form
    600,642.28/828,979.68 = 342,519.85/x
  3. Step 3: Cross multiply
    600,642.28x = 828,979.68 × 342,519.85
  4. Step 4: Simplify right side
    600,642.28x = 283,941,995,646.65
  5. Step 5: Solve for x
    x = 283,941,995,646.65/600,642.28
  6. Step 6: Final answer
    x = 472,730.62

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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.