Home / 730,833.80-1,096,740.30-257,520.20

Finding the Fourth Proportional to 730,833.80, 1,096,740.30 and 257,520.20

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Solution

The fourth proportional to 730,833.80, 1,096,740.30 and 257,520.20 is: 386,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,833.80 : 1,096,740.30 = 257,520.20 : x
  2. Step 2: Convert to fraction form
    730,833.80/1,096,740.30 = 257,520.20/x
  3. Step 3: Cross multiply
    730,833.80x = 1,096,740.30 × 257,520.20
  4. Step 4: Simplify right side
    730,833.80x = 282,432,781,404.06
  5. Step 5: Solve for x
    x = 282,432,781,404.06/730,833.80
  6. Step 6: Final answer
    x = 386,452.82

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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.