Home / 428,575.02-591,313.82-337,648.74

Finding the Fourth Proportional to 428,575.02, 591,313.82 and 337,648.74

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Solution

The fourth proportional to 428,575.02, 591,313.82 and 337,648.74 is: 465,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,575.02 : 591,313.82 = 337,648.74 : x
  2. Step 2: Convert to fraction form
    428,575.02/591,313.82 = 337,648.74/x
  3. Step 3: Cross multiply
    428,575.02x = 591,313.82 × 337,648.74
  4. Step 4: Simplify right side
    428,575.02x = 199,656,364,261.19
  5. Step 5: Solve for x
    x = 199,656,364,261.19/428,575.02
  6. Step 6: Final answer
    x = 465,860.95

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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.