Home / 668,056.90-1,002,085.35-439,734.10

Finding the Fourth Proportional to 668,056.90, 1,002,085.35 and 439,734.10

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Solution

The fourth proportional to 668,056.90, 1,002,085.35 and 439,734.10 is: 659,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,056.90 : 1,002,085.35 = 439,734.10 : x
  2. Step 2: Convert to fraction form
    668,056.90/1,002,085.35 = 439,734.10/x
  3. Step 3: Cross multiply
    668,056.90x = 1,002,085.35 × 439,734.10
  4. Step 4: Simplify right side
    668,056.90x = 440,651,099,505.44
  5. Step 5: Solve for x
    x = 440,651,099,505.44/668,056.90
  6. Step 6: Final answer
    x = 659,601.15

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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.