Home / 756,053.20-1,132,767.60-489,676.60

Finding the Fourth Proportional to 756,053.20, 1,132,767.60 and 489,676.60

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Solution

The fourth proportional to 756,053.20, 1,132,767.60 and 489,676.60 is: 733,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,053.20 : 1,132,767.60 = 489,676.60 : x
  2. Step 2: Convert to fraction form
    756,053.20/1,132,767.60 = 489,676.60/x
  3. Step 3: Cross multiply
    756,053.20x = 1,132,767.60 × 489,676.60
  4. Step 4: Simplify right side
    756,053.20x = 554,689,786,958.16
  5. Step 5: Solve for x
    x = 554,689,786,958.16/756,053.20
  6. Step 6: Final answer
    x = 733,665.02

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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.