Home / 737,739.20-1,107,645.60-457,803.20

Finding the Fourth Proportional to 737,739.20, 1,107,645.60 and 457,803.20

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Solution

The fourth proportional to 737,739.20, 1,107,645.60 and 457,803.20 is: 687,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,739.20 : 1,107,645.60 = 457,803.20 : x
  2. Step 2: Convert to fraction form
    737,739.20/1,107,645.60 = 457,803.20/x
  3. Step 3: Cross multiply
    737,739.20x = 1,107,645.60 × 457,803.20
  4. Step 4: Simplify right side
    737,739.20x = 507,083,700,145.92
  5. Step 5: Solve for x
    x = 507,083,700,145.92/737,739.20
  6. Step 6: Final answer
    x = 687,348.19

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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.