Home / 651,626.20-976,661.70-335,920.60

Finding the Fourth Proportional to 651,626.20, 976,661.70 and 335,920.60

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Solution

The fourth proportional to 651,626.20, 976,661.70 and 335,920.60 is: 503,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,626.20 : 976,661.70 = 335,920.60 : x
  2. Step 2: Convert to fraction form
    651,626.20/976,661.70 = 335,920.60/x
  3. Step 3: Cross multiply
    651,626.20x = 976,661.70 × 335,920.60
  4. Step 4: Simplify right side
    651,626.20x = 328,080,784,261.02
  5. Step 5: Solve for x
    x = 328,080,784,261.02/651,626.20
  6. Step 6: Final answer
    x = 503,480.04

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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.