Home / 808,394.48-1,212,258.09-275,958.40

Finding the Fourth Proportional to 808,394.48, 1,212,258.09 and 275,958.40

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Solution

The fourth proportional to 808,394.48, 1,212,258.09 and 275,958.40 is: 413,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,394.48 : 1,212,258.09 = 275,958.40 : x
  2. Step 2: Convert to fraction form
    808,394.48/1,212,258.09 = 275,958.40/x
  3. Step 3: Cross multiply
    808,394.48x = 1,212,258.09 × 275,958.40
  4. Step 4: Simplify right side
    808,394.48x = 334,532,802,903.46
  5. Step 5: Solve for x
    x = 334,532,802,903.46/808,394.48
  6. Step 6: Final answer
    x = 413,823.71

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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.