Home / 726,396.32-1,002,459.21-605,334.80

Finding the Fourth Proportional to 726,396.32, 1,002,459.21 and 605,334.80

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Solution

The fourth proportional to 726,396.32, 1,002,459.21 and 605,334.80 is: 835,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,396.32 : 1,002,459.21 = 605,334.80 : x
  2. Step 2: Convert to fraction form
    726,396.32/1,002,459.21 = 605,334.80/x
  3. Step 3: Cross multiply
    726,396.32x = 1,002,459.21 × 605,334.80
  4. Step 4: Simplify right side
    726,396.32x = 606,823,445,393.51
  5. Step 5: Solve for x
    x = 606,823,445,393.51/726,396.32
  6. Step 6: Final answer
    x = 835,388.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.