Home / 908,009.93-1,361,541.94-338,923.06

Finding the Fourth Proportional to 908,009.93, 1,361,541.94 and 338,923.06

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Solution

The fourth proportional to 908,009.93, 1,361,541.94 and 338,923.06 is: 508,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,009.93 : 1,361,541.94 = 338,923.06 : x
  2. Step 2: Convert to fraction form
    908,009.93/1,361,541.94 = 338,923.06/x
  3. Step 3: Cross multiply
    908,009.93x = 1,361,541.94 × 338,923.06
  4. Step 4: Simplify right side
    908,009.93x = 461,457,956,371.97
  5. Step 5: Solve for x
    x = 461,457,956,371.97/908,009.93
  6. Step 6: Final answer
    x = 508,208.05

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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.