Home / 767,764.50-1,059,512.03-423,621.85

Finding the Fourth Proportional to 767,764.50, 1,059,512.03 and 423,621.85

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Solution

The fourth proportional to 767,764.50, 1,059,512.03 and 423,621.85 is: 584,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,764.50 : 1,059,512.03 = 423,621.85 : x
  2. Step 2: Convert to fraction form
    767,764.50/1,059,512.03 = 423,621.85/x
  3. Step 3: Cross multiply
    767,764.50x = 1,059,512.03 × 423,621.85
  4. Step 4: Simplify right side
    767,764.50x = 448,832,441,478.97
  5. Step 5: Solve for x
    x = 448,832,441,478.97/767,764.50
  6. Step 6: Final answer
    x = 584,596.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.