Home / 682,945.60-1,024,418.40-288,910.40

Finding the Fourth Proportional to 682,945.60, 1,024,418.40 and 288,910.40

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Solution

The fourth proportional to 682,945.60, 1,024,418.40 and 288,910.40 is: 433,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,945.60 : 1,024,418.40 = 288,910.40 : x
  2. Step 2: Convert to fraction form
    682,945.60/1,024,418.40 = 288,910.40/x
  3. Step 3: Cross multiply
    682,945.60x = 1,024,418.40 × 288,910.40
  4. Step 4: Simplify right side
    682,945.60x = 295,965,129,711.36
  5. Step 5: Solve for x
    x = 295,965,129,711.36/682,945.60
  6. Step 6: Final answer
    x = 433,365.60

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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.