Home / 347,475.27-479,268.68-318,887.25

Finding the Fourth Proportional to 347,475.27, 479,268.68 and 318,887.25

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Solution

The fourth proportional to 347,475.27, 479,268.68 and 318,887.25 is: 439,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,475.27 : 479,268.68 = 318,887.25 : x
  2. Step 2: Convert to fraction form
    347,475.27/479,268.68 = 318,887.25/x
  3. Step 3: Cross multiply
    347,475.27x = 479,268.68 × 318,887.25
  4. Step 4: Simplify right side
    347,475.27x = 152,832,671,376.33
  5. Step 5: Solve for x
    x = 152,832,671,376.33/347,475.27
  6. Step 6: Final answer
    x = 439,837.55

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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.