Home / 917,794.54-1,376,219.08-411,921.85

Finding the Fourth Proportional to 917,794.54, 1,376,219.08 and 411,921.85

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Solution

The fourth proportional to 917,794.54, 1,376,219.08 and 411,921.85 is: 617,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,794.54 : 1,376,219.08 = 411,921.85 : x
  2. Step 2: Convert to fraction form
    917,794.54/1,376,219.08 = 411,921.85/x
  3. Step 3: Cross multiply
    917,794.54x = 1,376,219.08 × 411,921.85
  4. Step 4: Simplify right side
    917,794.54x = 566,894,709,438.90
  5. Step 5: Solve for x
    x = 566,894,709,438.90/917,794.54
  6. Step 6: Final answer
    x = 617,670.61

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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.