Home / 917,836.88-1,376,282.12-411,964.16

Finding the Fourth Proportional to 917,836.88, 1,376,282.12 and 411,964.16

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Solution

The fourth proportional to 917,836.88, 1,376,282.12 and 411,964.16 is: 617,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,836.88 : 1,376,282.12 = 411,964.16 : x
  2. Step 2: Convert to fraction form
    917,836.88/1,376,282.12 = 411,964.16/x
  3. Step 3: Cross multiply
    917,836.88x = 1,376,282.12 × 411,964.16
  4. Step 4: Simplify right side
    917,836.88x = 566,978,907,488.82
  5. Step 5: Solve for x
    x = 566,978,907,488.82/917,836.88
  6. Step 6: Final answer
    x = 617,733.85

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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.