Home / 861,730.24-1,293,185.76-300,764.74

Finding the Fourth Proportional to 861,730.24, 1,293,185.76 and 300,764.74

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Solution

The fourth proportional to 861,730.24, 1,293,185.76 and 300,764.74 is: 451,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,730.24 : 1,293,185.76 = 300,764.74 : x
  2. Step 2: Convert to fraction form
    861,730.24/1,293,185.76 = 300,764.74/x
  3. Step 3: Cross multiply
    861,730.24x = 1,293,185.76 × 300,764.74
  4. Step 4: Simplify right side
    861,730.24x = 388,944,678,878.10
  5. Step 5: Solve for x
    x = 388,944,678,878.10/861,730.24
  6. Step 6: Final answer
    x = 451,353.17

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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.