Home / 651,834.19-978,132.66-272,723.14

Finding the Fourth Proportional to 651,834.19, 978,132.66 and 272,723.14

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Solution

The fourth proportional to 651,834.19, 978,132.66 and 272,723.14 is: 409,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,834.19 : 978,132.66 = 272,723.14 : x
  2. Step 2: Convert to fraction form
    651,834.19/978,132.66 = 272,723.14/x
  3. Step 3: Cross multiply
    651,834.19x = 978,132.66 × 272,723.14
  4. Step 4: Simplify right side
    651,834.19x = 266,759,410,371.75
  5. Step 5: Solve for x
    x = 266,759,410,371.75/651,834.19
  6. Step 6: Final answer
    x = 409,244.27

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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.