Home / 628,721.93-943,150.05-268,930.01

Finding the Fourth Proportional to 628,721.93, 943,150.05 and 268,930.01

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Solution

The fourth proportional to 628,721.93, 943,150.05 and 268,930.01 is: 403,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,721.93 : 943,150.05 = 268,930.01 : x
  2. Step 2: Convert to fraction form
    628,721.93/943,150.05 = 268,930.01/x
  3. Step 3: Cross multiply
    628,721.93x = 943,150.05 × 268,930.01
  4. Step 4: Simplify right side
    628,721.93x = 253,641,347,662.25
  5. Step 5: Solve for x
    x = 253,641,347,662.25/628,721.93
  6. Step 6: Final answer
    x = 403,423.73

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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.