Home / 917,758.41-1,376,164.63-411,885.60

Finding the Fourth Proportional to 917,758.41, 1,376,164.63 and 411,885.60

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Solution

The fourth proportional to 917,758.41, 1,376,164.63 and 411,885.60 is: 617,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,758.41 : 1,376,164.63 = 411,885.60 : x
  2. Step 2: Convert to fraction form
    917,758.41/1,376,164.63 = 411,885.60/x
  3. Step 3: Cross multiply
    917,758.41x = 1,376,164.63 × 411,885.60
  4. Step 4: Simplify right side
    917,758.41x = 566,822,394,326.33
  5. Step 5: Solve for x
    x = 566,822,394,326.33/917,758.41
  6. Step 6: Final answer
    x = 617,616.13

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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.