Home / 741,446.70-1,112,688.45-321,024.30

Finding the Fourth Proportional to 741,446.70, 1,112,688.45 and 321,024.30

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Solution

The fourth proportional to 741,446.70, 1,112,688.45 and 321,024.30 is: 481,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,446.70 : 1,112,688.45 = 321,024.30 : x
  2. Step 2: Convert to fraction form
    741,446.70/1,112,688.45 = 321,024.30/x
  3. Step 3: Cross multiply
    741,446.70x = 1,112,688.45 × 321,024.30
  4. Step 4: Simplify right side
    741,446.70x = 357,200,030,779.34
  5. Step 5: Solve for x
    x = 357,200,030,779.34/741,446.70
  6. Step 6: Final answer
    x = 481,760.90

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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.