Home / 628,718.88-942,549.24-273,465.30

Finding the Fourth Proportional to 628,718.88, 942,549.24 and 273,465.30

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Solution

The fourth proportional to 628,718.88, 942,549.24 and 273,465.30 is: 409,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,718.88 : 942,549.24 = 273,465.30 : x
  2. Step 2: Convert to fraction form
    628,718.88/942,549.24 = 273,465.30/x
  3. Step 3: Cross multiply
    628,718.88x = 942,549.24 × 273,465.30
  4. Step 4: Simplify right side
    628,718.88x = 257,754,510,681.37
  5. Step 5: Solve for x
    x = 257,754,510,681.37/628,718.88
  6. Step 6: Final answer
    x = 409,967.82

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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.