Home / 747,898.40-1,122,236.40-327,216.80

Finding the Fourth Proportional to 747,898.40, 1,122,236.40 and 327,216.80

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Solution

The fourth proportional to 747,898.40, 1,122,236.40 and 327,216.80 is: 490,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,898.40 : 1,122,236.40 = 327,216.80 : x
  2. Step 2: Convert to fraction form
    747,898.40/1,122,236.40 = 327,216.80/x
  3. Step 3: Cross multiply
    747,898.40x = 1,122,236.40 × 327,216.80
  4. Step 4: Simplify right side
    747,898.40x = 367,214,603,651.52
  5. Step 5: Solve for x
    x = 367,214,603,651.52/747,898.40
  6. Step 6: Final answer
    x = 490,995.31

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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.