Home / 477,699.12-659,242.93-273,789.39

Finding the Fourth Proportional to 477,699.12, 659,242.93 and 273,789.39

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Solution

The fourth proportional to 477,699.12, 659,242.93 and 273,789.39 is: 377,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,699.12 : 659,242.93 = 273,789.39 : x
  2. Step 2: Convert to fraction form
    477,699.12/659,242.93 = 273,789.39/x
  3. Step 3: Cross multiply
    477,699.12x = 659,242.93 × 273,789.39
  4. Step 4: Simplify right side
    477,699.12x = 180,493,719,666.51
  5. Step 5: Solve for x
    x = 180,493,719,666.51/477,699.12
  6. Step 6: Final answer
    x = 377,839.76

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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.