Home / 906,003.62-1,250,285.80-498,112.40

Finding the Fourth Proportional to 906,003.62, 1,250,285.80 and 498,112.40

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Solution

The fourth proportional to 906,003.62, 1,250,285.80 and 498,112.40 is: 687,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,003.62 : 1,250,285.80 = 498,112.40 : x
  2. Step 2: Convert to fraction form
    906,003.62/1,250,285.80 = 498,112.40/x
  3. Step 3: Cross multiply
    906,003.62x = 1,250,285.80 × 498,112.40
  4. Step 4: Simplify right side
    906,003.62x = 622,782,860,523.92
  5. Step 5: Solve for x
    x = 622,782,860,523.92/906,003.62
  6. Step 6: Final answer
    x = 687,395.55

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1.5x scale

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.