Home / 986,175.91-1,479,348.20-346,423.74

Finding the Fourth Proportional to 986,175.91, 1,479,348.20 and 346,423.74

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Solution

The fourth proportional to 986,175.91, 1,479,348.20 and 346,423.74 is: 519,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,175.91 : 1,479,348.20 = 346,423.74 : x
  2. Step 2: Convert to fraction form
    986,175.91/1,479,348.20 = 346,423.74/x
  3. Step 3: Cross multiply
    986,175.91x = 1,479,348.20 × 346,423.74
  4. Step 4: Simplify right side
    986,175.91x = 512,481,336,206.27
  5. Step 5: Solve for x
    x = 512,481,336,206.27/986,175.91
  6. Step 6: Final answer
    x = 519,665.24

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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.