Home / 817,344.24-1,224,422.28-461,281.20

Finding the Fourth Proportional to 817,344.24, 1,224,422.28 and 461,281.20

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Solution

The fourth proportional to 817,344.24, 1,224,422.28 and 461,281.20 is: 691,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,344.24 : 1,224,422.28 = 461,281.20 : x
  2. Step 2: Convert to fraction form
    817,344.24/1,224,422.28 = 461,281.20/x
  3. Step 3: Cross multiply
    817,344.24x = 1,224,422.28 × 461,281.20
  4. Step 4: Simplify right side
    817,344.24x = 564,802,978,625.14
  5. Step 5: Solve for x
    x = 564,802,978,625.14/817,344.24
  6. Step 6: Final answer
    x = 691,022.16

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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.