Home / 628,715.42-942,544.15-273,461.87

Finding the Fourth Proportional to 628,715.42, 942,544.15 and 273,461.87

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Solution

The fourth proportional to 628,715.42, 942,544.15 and 273,461.87 is: 409,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,715.42 : 942,544.15 = 273,461.87 : x
  2. Step 2: Convert to fraction form
    628,715.42/942,544.15 = 273,461.87/x
  3. Step 3: Cross multiply
    628,715.42x = 942,544.15 × 273,461.87
  4. Step 4: Simplify right side
    628,715.42x = 257,749,887,489.27
  5. Step 5: Solve for x
    x = 257,749,887,489.27/628,715.42
  6. Step 6: Final answer
    x = 409,962.73

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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.