Home / 556,687.03-834,975.16-257,163.33

Finding the Fourth Proportional to 556,687.03, 834,975.16 and 257,163.33

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Solution

The fourth proportional to 556,687.03, 834,975.16 and 257,163.33 is: 385,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,687.03 : 834,975.16 = 257,163.33 : x
  2. Step 2: Convert to fraction form
    556,687.03/834,975.16 = 257,163.33/x
  3. Step 3: Cross multiply
    556,687.03x = 834,975.16 × 257,163.33
  4. Step 4: Simplify right side
    556,687.03x = 214,724,993,476.04
  5. Step 5: Solve for x
    x = 214,724,993,476.04/556,687.03
  6. Step 6: Final answer
    x = 385,719.41

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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.