Home / 686,452.20-1,029,717.42-230,860.52

Finding the Fourth Proportional to 686,452.20, 1,029,717.42 and 230,860.52

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Solution

The fourth proportional to 686,452.20, 1,029,717.42 and 230,860.52 is: 346,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,452.20 : 1,029,717.42 = 230,860.52 : x
  2. Step 2: Convert to fraction form
    686,452.20/1,029,717.42 = 230,860.52/x
  3. Step 3: Cross multiply
    686,452.20x = 1,029,717.42 × 230,860.52
  4. Step 4: Simplify right side
    686,452.20x = 237,721,099,034.26
  5. Step 5: Solve for x
    x = 237,721,099,034.26/686,452.20
  6. Step 6: Final answer
    x = 346,303.94

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Double scale
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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.