Home / 741,046.30-1,111,538.49-314,465.02

Finding the Fourth Proportional to 741,046.30, 1,111,538.49 and 314,465.02

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Solution

The fourth proportional to 741,046.30, 1,111,538.49 and 314,465.02 is: 471,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,046.30 : 1,111,538.49 = 314,465.02 : x
  2. Step 2: Convert to fraction form
    741,046.30/1,111,538.49 = 314,465.02/x
  3. Step 3: Cross multiply
    741,046.30x = 1,111,538.49 × 314,465.02
  4. Step 4: Simplify right side
    741,046.30x = 349,539,973,488.62
  5. Step 5: Solve for x
    x = 349,539,973,488.62/741,046.30
  6. Step 6: Final answer
    x = 471,684.39

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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.