Home / 811,904.22-1,218,009.42-250,807.50

Finding the Fourth Proportional to 811,904.22, 1,218,009.42 and 250,807.50

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Solution

The fourth proportional to 811,904.22, 1,218,009.42 and 250,807.50 is: 376,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,904.22 : 1,218,009.42 = 250,807.50 : x
  2. Step 2: Convert to fraction form
    811,904.22/1,218,009.42 = 250,807.50/x
  3. Step 3: Cross multiply
    811,904.22x = 1,218,009.42 × 250,807.50
  4. Step 4: Simplify right side
    811,904.22x = 305,485,897,606.65
  5. Step 5: Solve for x
    x = 305,485,897,606.65/811,904.22
  6. Step 6: Final answer
    x = 376,258.54

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1.5x scale

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.