Home / 802,229.84-1,107,078.75-439,667.16

Finding the Fourth Proportional to 802,229.84, 1,107,078.75 and 439,667.16

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Solution

The fourth proportional to 802,229.84, 1,107,078.75 and 439,667.16 is: 606,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,229.84 : 1,107,078.75 = 439,667.16 : x
  2. Step 2: Convert to fraction form
    802,229.84/1,107,078.75 = 439,667.16/x
  3. Step 3: Cross multiply
    802,229.84x = 1,107,078.75 × 439,667.16
  4. Step 4: Simplify right side
    802,229.84x = 486,746,169,908.85
  5. Step 5: Solve for x
    x = 486,746,169,908.85/802,229.84
  6. Step 6: Final answer
    x = 606,741.54

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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.