Home / 716,862.72-1,075,217.28-218,231.04

Finding the Fourth Proportional to 716,862.72, 1,075,217.28 and 218,231.04

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Solution

The fourth proportional to 716,862.72, 1,075,217.28 and 218,231.04 is: 327,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,862.72 : 1,075,217.28 = 218,231.04 : x
  2. Step 2: Convert to fraction form
    716,862.72/1,075,217.28 = 218,231.04/x
  3. Step 3: Cross multiply
    716,862.72x = 1,075,217.28 × 218,231.04
  4. Step 4: Simplify right side
    716,862.72x = 234,645,785,240.37
  5. Step 5: Solve for x
    x = 234,645,785,240.37/716,862.72
  6. Step 6: Final answer
    x = 327,323.18

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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.