Home / 831,495.06-1,147,758.12-491,962.50

Finding the Fourth Proportional to 831,495.06, 1,147,758.12 and 491,962.50

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Solution

The fourth proportional to 831,495.06, 1,147,758.12 and 491,962.50 is: 679,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,495.06 : 1,147,758.12 = 491,962.50 : x
  2. Step 2: Convert to fraction form
    831,495.06/1,147,758.12 = 491,962.50/x
  3. Step 3: Cross multiply
    831,495.06x = 1,147,758.12 × 491,962.50
  4. Step 4: Simplify right side
    831,495.06x = 564,653,954,110.50
  5. Step 5: Solve for x
    x = 564,653,954,110.50/831,495.06
  6. Step 6: Final answer
    x = 679,082.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.