Home / 804,839.83-1,110,739.13-498,975.73

Finding the Fourth Proportional to 804,839.83, 1,110,739.13 and 498,975.73

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Solution

The fourth proportional to 804,839.83, 1,110,739.13 and 498,975.73 is: 688,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,839.83 : 1,110,739.13 = 498,975.73 : x
  2. Step 2: Convert to fraction form
    804,839.83/1,110,739.13 = 498,975.73/x
  3. Step 3: Cross multiply
    804,839.83x = 1,110,739.13 × 498,975.73
  4. Step 4: Simplify right side
    804,839.83x = 554,231,864,830.75
  5. Step 5: Solve for x
    x = 554,231,864,830.75/804,839.83
  6. Step 6: Final answer
    x = 688,623.81

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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.