Home / 785,383.11-1,176,984.55-357,874.15

Finding the Fourth Proportional to 785,383.11, 1,176,984.55 and 357,874.15

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Solution

The fourth proportional to 785,383.11, 1,176,984.55 and 357,874.15 is: 536,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,383.11 : 1,176,984.55 = 357,874.15 : x
  2. Step 2: Convert to fraction form
    785,383.11/1,176,984.55 = 357,874.15/x
  3. Step 3: Cross multiply
    785,383.11x = 1,176,984.55 × 357,874.15
  4. Step 4: Simplify right side
    785,383.11x = 421,212,345,394.38
  5. Step 5: Solve for x
    x = 421,212,345,394.38/785,383.11
  6. Step 6: Final answer
    x = 536,314.49

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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.