Home / 439,317.42-658,223.78-239,777.84

Finding the Fourth Proportional to 439,317.42, 658,223.78 and 239,777.84

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Solution

The fourth proportional to 439,317.42, 658,223.78 and 239,777.84 is: 359,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,317.42 : 658,223.78 = 239,777.84 : x
  2. Step 2: Convert to fraction form
    439,317.42/658,223.78 = 239,777.84/x
  3. Step 3: Cross multiply
    439,317.42x = 658,223.78 × 239,777.84
  4. Step 4: Simplify right side
    439,317.42x = 157,827,471,715.03
  5. Step 5: Solve for x
    x = 157,827,471,715.03/439,317.42
  6. Step 6: Final answer
    x = 359,256.12

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1.5x scale

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.