Home / 908,810.73-1,254,213.59-500,912.01

Finding the Fourth Proportional to 908,810.73, 1,254,213.59 and 500,912.01

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Solution

The fourth proportional to 908,810.73, 1,254,213.59 and 500,912.01 is: 691,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,810.73 : 1,254,213.59 = 500,912.01 : x
  2. Step 2: Convert to fraction form
    908,810.73/1,254,213.59 = 500,912.01/x
  3. Step 3: Cross multiply
    908,810.73x = 1,254,213.59 × 500,912.01
  4. Step 4: Simplify right side
    908,810.73x = 628,250,647,831.66
  5. Step 5: Solve for x
    x = 628,250,647,831.66/908,810.73
  6. Step 6: Final answer
    x = 691,288.77

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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.