Home / 439,236.40-658,854.60-334,260.40

Finding the Fourth Proportional to 439,236.40, 658,854.60 and 334,260.40

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Solution

The fourth proportional to 439,236.40, 658,854.60 and 334,260.40 is: 501,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,236.40 : 658,854.60 = 334,260.40 : x
  2. Step 2: Convert to fraction form
    439,236.40/658,854.60 = 334,260.40/x
  3. Step 3: Cross multiply
    439,236.40x = 658,854.60 × 334,260.40
  4. Step 4: Simplify right side
    439,236.40x = 220,229,002,137.84
  5. Step 5: Solve for x
    x = 220,229,002,137.84/439,236.40
  6. Step 6: Final answer
    x = 501,390.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.