Home / 291,868.04-438,424.34-274,803.80

Finding the Fourth Proportional to 291,868.04, 438,424.34 and 274,803.80

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Solution

The fourth proportional to 291,868.04, 438,424.34 and 274,803.80 is: 412,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,868.04 : 438,424.34 = 274,803.80 : x
  2. Step 2: Convert to fraction form
    291,868.04/438,424.34 = 274,803.80/x
  3. Step 3: Cross multiply
    291,868.04x = 438,424.34 × 274,803.80
  4. Step 4: Simplify right side
    291,868.04x = 120,480,674,644.49
  5. Step 5: Solve for x
    x = 120,480,674,644.49/291,868.04
  6. Step 6: Final answer
    x = 412,791.60

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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.