Home / 512,335.22-766,928.07-436,752.50

Finding the Fourth Proportional to 512,335.22, 766,928.07 and 436,752.50

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Solution

The fourth proportional to 512,335.22, 766,928.07 and 436,752.50 is: 653,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,335.22 : 766,928.07 = 436,752.50 : x
  2. Step 2: Convert to fraction form
    512,335.22/766,928.07 = 436,752.50/x
  3. Step 3: Cross multiply
    512,335.22x = 766,928.07 × 436,752.50
  4. Step 4: Simplify right side
    512,335.22x = 334,957,751,892.68
  5. Step 5: Solve for x
    x = 334,957,751,892.68/512,335.22
  6. Step 6: Final answer
    x = 653,786.31

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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.