Home / 740,648.20-1,110,972.30-682,328.20

Finding the Fourth Proportional to 740,648.20, 1,110,972.30 and 682,328.20

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Solution

The fourth proportional to 740,648.20, 1,110,972.30 and 682,328.20 is: 1,023,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,648.20 : 1,110,972.30 = 682,328.20 : x
  2. Step 2: Convert to fraction form
    740,648.20/1,110,972.30 = 682,328.20/x
  3. Step 3: Cross multiply
    740,648.20x = 1,110,972.30 × 682,328.20
  4. Step 4: Simplify right side
    740,648.20x = 758,047,729,708.86
  5. Step 5: Solve for x
    x = 758,047,729,708.86/740,648.20
  6. Step 6: Final answer
    x = 1,023,492.30

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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.