Home / 428,949.06-591,950.40-237,962.45

Finding the Fourth Proportional to 428,949.06, 591,950.40 and 237,962.45

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Solution

The fourth proportional to 428,949.06, 591,950.40 and 237,962.45 is: 328,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,949.06 : 591,950.40 = 237,962.45 : x
  2. Step 2: Convert to fraction form
    428,949.06/591,950.40 = 237,962.45/x
  3. Step 3: Cross multiply
    428,949.06x = 591,950.40 × 237,962.45
  4. Step 4: Simplify right side
    428,949.06x = 140,861,968,942.36
  5. Step 5: Solve for x
    x = 140,861,968,942.36/428,949.06
  6. Step 6: Final answer
    x = 328,388.57

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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.