Home / 628,855.79-943,151.44-202,429.76

Finding the Fourth Proportional to 628,855.79, 943,151.44 and 202,429.76

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Solution

The fourth proportional to 628,855.79, 943,151.44 and 202,429.76 is: 303,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,855.79 : 943,151.44 = 202,429.76 : x
  2. Step 2: Convert to fraction form
    628,855.79/943,151.44 = 202,429.76/x
  3. Step 3: Cross multiply
    628,855.79x = 943,151.44 × 202,429.76
  4. Step 4: Simplify right side
    628,855.79x = 190,921,919,642.85
  5. Step 5: Solve for x
    x = 190,921,919,642.85/628,855.79
  6. Step 6: Final answer
    x = 303,602.07

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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.