Home / 428,431.80-591,235.95-237,457.52

Finding the Fourth Proportional to 428,431.80, 591,235.95 and 237,457.52

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Solution

The fourth proportional to 428,431.80, 591,235.95 and 237,457.52 is: 327,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,431.80 : 591,235.95 = 237,457.52 : x
  2. Step 2: Convert to fraction form
    428,431.80/591,235.95 = 237,457.52/x
  3. Step 3: Cross multiply
    428,431.80x = 591,235.95 × 237,457.52
  4. Step 4: Simplify right side
    428,431.80x = 140,393,422,421.84
  5. Step 5: Solve for x
    x = 140,393,422,421.84/428,431.80
  6. Step 6: Final answer
    x = 327,691.41

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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.