Home / 668,150.40-1,002,225.60-439,827.60

Finding the Fourth Proportional to 668,150.40, 1,002,225.60 and 439,827.60

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Solution

The fourth proportional to 668,150.40, 1,002,225.60 and 439,827.60 is: 659,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,150.40 : 1,002,225.60 = 439,827.60 : x
  2. Step 2: Convert to fraction form
    668,150.40/1,002,225.60 = 439,827.60/x
  3. Step 3: Cross multiply
    668,150.40x = 1,002,225.60 × 439,827.60
  4. Step 4: Simplify right side
    668,150.40x = 440,806,480,306.56
  5. Step 5: Solve for x
    x = 440,806,480,306.56/668,150.40
  6. Step 6: Final answer
    x = 659,741.40

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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.