Home / 743,520.22-1,115,278.17-211,041.75

Finding the Fourth Proportional to 743,520.22, 1,115,278.17 and 211,041.75

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Solution

The fourth proportional to 743,520.22, 1,115,278.17 and 211,041.75 is: 316,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,520.22 : 1,115,278.17 = 211,041.75 : x
  2. Step 2: Convert to fraction form
    743,520.22/1,115,278.17 = 211,041.75/x
  3. Step 3: Cross multiply
    743,520.22x = 1,115,278.17 × 211,041.75
  4. Step 4: Simplify right side
    743,520.22x = 235,370,256,733.60
  5. Step 5: Solve for x
    x = 235,370,256,733.60/743,520.22
  6. Step 6: Final answer
    x = 316,562.01

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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.