Home / 748,091.70-1,120,558.05-495,493.20

Finding the Fourth Proportional to 748,091.70, 1,120,558.05 and 495,493.20

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Solution

The fourth proportional to 748,091.70, 1,120,558.05 and 495,493.20 is: 742,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,091.70 : 1,120,558.05 = 495,493.20 : x
  2. Step 2: Convert to fraction form
    748,091.70/1,120,558.05 = 495,493.20/x
  3. Step 3: Cross multiply
    748,091.70x = 1,120,558.05 × 495,493.20
  4. Step 4: Simplify right side
    748,091.70x = 555,228,893,980.26
  5. Step 5: Solve for x
    x = 555,228,893,980.26/748,091.70
  6. Step 6: Final answer
    x = 742,193.63

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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.