Home / 810,971.06-1,216,328.81-271,223.24

Finding the Fourth Proportional to 810,971.06, 1,216,328.81 and 271,223.24

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Solution

The fourth proportional to 810,971.06, 1,216,328.81 and 271,223.24 is: 406,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,971.06 : 1,216,328.81 = 271,223.24 : x
  2. Step 2: Convert to fraction form
    810,971.06/1,216,328.81 = 271,223.24/x
  3. Step 3: Cross multiply
    810,971.06x = 1,216,328.81 × 271,223.24
  4. Step 4: Simplify right side
    810,971.06x = 329,896,633,315.78
  5. Step 5: Solve for x
    x = 329,896,633,315.78/810,971.06
  6. Step 6: Final answer
    x = 406,792.12

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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.