Home / 831,706.56-1,246,526.28-381,950.28

Finding the Fourth Proportional to 831,706.56, 1,246,526.28 and 381,950.28

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Solution

The fourth proportional to 831,706.56, 1,246,526.28 and 381,950.28 is: 572,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,706.56 : 1,246,526.28 = 381,950.28 : x
  2. Step 2: Convert to fraction form
    831,706.56/1,246,526.28 = 381,950.28/x
  3. Step 3: Cross multiply
    831,706.56x = 1,246,526.28 × 381,950.28
  4. Step 4: Simplify right side
    831,706.56x = 476,111,061,673.36
  5. Step 5: Solve for x
    x = 476,111,061,673.36/831,706.56
  6. Step 6: Final answer
    x = 572,450.77

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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.