Home / 579,313.04-799,407.90-324,615.02

Finding the Fourth Proportional to 579,313.04, 799,407.90 and 324,615.02

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Solution

The fourth proportional to 579,313.04, 799,407.90 and 324,615.02 is: 447,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,313.04 : 799,407.90 = 324,615.02 : x
  2. Step 2: Convert to fraction form
    579,313.04/799,407.90 = 324,615.02/x
  3. Step 3: Cross multiply
    579,313.04x = 799,407.90 × 324,615.02
  4. Step 4: Simplify right side
    579,313.04x = 259,499,807,449.62
  5. Step 5: Solve for x
    x = 259,499,807,449.62/579,313.04
  6. Step 6: Final answer
    x = 447,944.02

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Double scale
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Similar ratio
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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.