Home / 772,367.45-1,157,042.91-366,982.76

Finding the Fourth Proportional to 772,367.45, 1,157,042.91 and 366,982.76

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Solution

The fourth proportional to 772,367.45, 1,157,042.91 and 366,982.76 is: 549,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,367.45 : 1,157,042.91 = 366,982.76 : x
  2. Step 2: Convert to fraction form
    772,367.45/1,157,042.91 = 366,982.76/x
  3. Step 3: Cross multiply
    772,367.45x = 1,157,042.91 × 366,982.76
  4. Step 4: Simplify right side
    772,367.45x = 424,614,800,550.23
  5. Step 5: Solve for x
    x = 424,614,800,550.23/772,367.45
  6. Step 6: Final answer
    x = 549,757.50

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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.