Home / 548,862.71-823,766.99-380,501.27

Finding the Fourth Proportional to 548,862.71, 823,766.99 and 380,501.27

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Solution

The fourth proportional to 548,862.71, 823,766.99 and 380,501.27 is: 571,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,862.71 : 823,766.99 = 380,501.27 : x
  2. Step 2: Convert to fraction form
    548,862.71/823,766.99 = 380,501.27/x
  3. Step 3: Cross multiply
    548,862.71x = 823,766.99 × 380,501.27
  4. Step 4: Simplify right side
    548,862.71x = 313,444,382,770.34
  5. Step 5: Solve for x
    x = 313,444,382,770.34/548,862.71
  6. Step 6: Final answer
    x = 571,079.76

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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.