Home / 702,862.80-1,054,136.10-323,419.56

Finding the Fourth Proportional to 702,862.80, 1,054,136.10 and 323,419.56

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Solution

The fourth proportional to 702,862.80, 1,054,136.10 and 323,419.56 is: 485,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,862.80 : 1,054,136.10 = 323,419.56 : x
  2. Step 2: Convert to fraction form
    702,862.80/1,054,136.10 = 323,419.56/x
  3. Step 3: Cross multiply
    702,862.80x = 1,054,136.10 × 323,419.56
  4. Step 4: Simplify right side
    702,862.80x = 340,928,233,642.12
  5. Step 5: Solve for x
    x = 340,928,233,642.12/702,862.80
  6. Step 6: Final answer
    x = 485,056.59

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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.