Home / 716,648.46-1,075,128.21-217,999.50

Finding the Fourth Proportional to 716,648.46, 1,075,128.21 and 217,999.50

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Solution

The fourth proportional to 716,648.46, 1,075,128.21 and 217,999.50 is: 327,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,648.46 : 1,075,128.21 = 217,999.50 : x
  2. Step 2: Convert to fraction form
    716,648.46/1,075,128.21 = 217,999.50/x
  3. Step 3: Cross multiply
    716,648.46x = 1,075,128.21 × 217,999.50
  4. Step 4: Simplify right side
    716,648.46x = 234,377,412,215.90
  5. Step 5: Solve for x
    x = 234,377,412,215.90/716,648.46
  6. Step 6: Final answer
    x = 327,046.56

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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.