Home / 988,257.60-1,482,670.10-411,768.66

Finding the Fourth Proportional to 988,257.60, 1,482,670.10 and 411,768.66

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Solution

The fourth proportional to 988,257.60, 1,482,670.10 and 411,768.66 is: 617,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,257.60 : 1,482,670.10 = 411,768.66 : x
  2. Step 2: Convert to fraction form
    988,257.60/1,482,670.10 = 411,768.66/x
  3. Step 3: Cross multiply
    988,257.60x = 1,482,670.10 × 411,768.66
  4. Step 4: Simplify right side
    988,257.60x = 610,517,080,299.07
  5. Step 5: Solve for x
    x = 610,517,080,299.07/988,257.60
  6. Step 6: Final answer
    x = 617,771.20

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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.