Home / 951,669.18-1,313,340.30-521,967.42

Finding the Fourth Proportional to 951,669.18, 1,313,340.30 and 521,967.42

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Solution

The fourth proportional to 951,669.18, 1,313,340.30 and 521,967.42 is: 720,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,669.18 : 1,313,340.30 = 521,967.42 : x
  2. Step 2: Convert to fraction form
    951,669.18/1,313,340.30 = 521,967.42/x
  3. Step 3: Cross multiply
    951,669.18x = 1,313,340.30 × 521,967.42
  4. Step 4: Simplify right side
    951,669.18x = 685,520,847,973.03
  5. Step 5: Solve for x
    x = 685,520,847,973.03/951,669.18
  6. Step 6: Final answer
    x = 720,335.24

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1.5x scale

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.