Home / 811,456.80-1,217,300.40-250,432.80

Finding the Fourth Proportional to 811,456.80, 1,217,300.40 and 250,432.80

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Solution

The fourth proportional to 811,456.80, 1,217,300.40 and 250,432.80 is: 375,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,456.80 : 1,217,300.40 = 250,432.80 : x
  2. Step 2: Convert to fraction form
    811,456.80/1,217,300.40 = 250,432.80/x
  3. Step 3: Cross multiply
    811,456.80x = 1,217,300.40 × 250,432.80
  4. Step 4: Simplify right side
    811,456.80x = 304,851,947,613.12
  5. Step 5: Solve for x
    x = 304,851,947,613.12/811,456.80
  6. Step 6: Final answer
    x = 375,684.75

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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.