Home / 722,510.64-1,083,918.14-273,221.56

Finding the Fourth Proportional to 722,510.64, 1,083,918.14 and 273,221.56

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Solution

The fourth proportional to 722,510.64, 1,083,918.14 and 273,221.56 is: 409,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,510.64 : 1,083,918.14 = 273,221.56 : x
  2. Step 2: Convert to fraction form
    722,510.64/1,083,918.14 = 273,221.56/x
  3. Step 3: Cross multiply
    722,510.64x = 1,083,918.14 × 273,221.56
  4. Step 4: Simplify right side
    722,510.64x = 296,149,806,136.47
  5. Step 5: Solve for x
    x = 296,149,806,136.47/722,510.64
  6. Step 6: Final answer
    x = 409,889.89

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1.5x scale

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.