Home / 428,436.23-590,559.95-337,646.57

Finding the Fourth Proportional to 428,436.23, 590,559.95 and 337,646.57

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Solution

The fourth proportional to 428,436.23, 590,559.95 and 337,646.57 is: 465,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,436.23 : 590,559.95 = 337,646.57 : x
  2. Step 2: Convert to fraction form
    428,436.23/590,559.95 = 337,646.57/x
  3. Step 3: Cross multiply
    428,436.23x = 590,559.95 × 337,646.57
  4. Step 4: Simplify right side
    428,436.23x = 199,400,539,808.64
  5. Step 5: Solve for x
    x = 199,400,539,808.64/428,436.23
  6. Step 6: Final answer
    x = 465,414.75

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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.