Home / 748,337.22-1,122,948.68-275,354.72

Finding the Fourth Proportional to 748,337.22, 1,122,948.68 and 275,354.72

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Solution

The fourth proportional to 748,337.22, 1,122,948.68 and 275,354.72 is: 413,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,337.22 : 1,122,948.68 = 275,354.72 : x
  2. Step 2: Convert to fraction form
    748,337.22/1,122,948.68 = 275,354.72/x
  3. Step 3: Cross multiply
    748,337.22x = 1,122,948.68 × 275,354.72
  4. Step 4: Simplify right side
    748,337.22x = 309,209,219,355.77
  5. Step 5: Solve for x
    x = 309,209,219,355.77/748,337.22
  6. Step 6: Final answer
    x = 413,195.03

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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.