Home / 744,689.60-1,117,077.60-212,249.60

Finding the Fourth Proportional to 744,689.60, 1,117,077.60 and 212,249.60

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Solution

The fourth proportional to 744,689.60, 1,117,077.60 and 212,249.60 is: 318,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,689.60 : 1,117,077.60 = 212,249.60 : x
  2. Step 2: Convert to fraction form
    744,689.60/1,117,077.60 = 212,249.60/x
  3. Step 3: Cross multiply
    744,689.60x = 1,117,077.60 × 212,249.60
  4. Step 4: Simplify right side
    744,689.60x = 237,099,273,768.96
  5. Step 5: Solve for x
    x = 237,099,273,768.96/744,689.60
  6. Step 6: Final answer
    x = 318,386.71

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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.