Home / 723,199.44-998,412.48-494,101.20

Finding the Fourth Proportional to 723,199.44, 998,412.48 and 494,101.20

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Solution

The fourth proportional to 723,199.44, 998,412.48 and 494,101.20 is: 682,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,199.44 : 998,412.48 = 494,101.20 : x
  2. Step 2: Convert to fraction form
    723,199.44/998,412.48 = 494,101.20/x
  3. Step 3: Cross multiply
    723,199.44x = 998,412.48 × 494,101.20
  4. Step 4: Simplify right side
    723,199.44x = 493,316,804,462.98
  5. Step 5: Solve for x
    x = 493,316,804,462.98/723,199.44
  6. Step 6: Final answer
    x = 682,131.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.