Home / 939,203.16-1,409,034.03-299,506.91

Finding the Fourth Proportional to 939,203.16, 1,409,034.03 and 299,506.91

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Solution

The fourth proportional to 939,203.16, 1,409,034.03 and 299,506.91 is: 449,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,203.16 : 1,409,034.03 = 299,506.91 : x
  2. Step 2: Convert to fraction form
    939,203.16/1,409,034.03 = 299,506.91/x
  3. Step 3: Cross multiply
    939,203.16x = 1,409,034.03 × 299,506.91
  4. Step 4: Simplify right side
    939,203.16x = 422,015,428,167.64
  5. Step 5: Solve for x
    x = 422,015,428,167.64/939,203.16
  6. Step 6: Final answer
    x = 449,333.49

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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.