Home / 428,839.84-591,869.82-237,914.74

Finding the Fourth Proportional to 428,839.84, 591,869.82 and 237,914.74

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Solution

The fourth proportional to 428,839.84, 591,869.82 and 237,914.74 is: 328,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,839.84 : 591,869.82 = 237,914.74 : x
  2. Step 2: Convert to fraction form
    428,839.84/591,869.82 = 237,914.74/x
  3. Step 3: Cross multiply
    428,839.84x = 591,869.82 × 237,914.74
  4. Step 4: Simplify right side
    428,839.84x = 140,814,554,339.15
  5. Step 5: Solve for x
    x = 140,814,554,339.15/428,839.84
  6. Step 6: Final answer
    x = 328,361.64

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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.