Home / 743,587.52-1,114,888.16-270,216.64

Finding the Fourth Proportional to 743,587.52, 1,114,888.16 and 270,216.64

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Solution

The fourth proportional to 743,587.52, 1,114,888.16 and 270,216.64 is: 405,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,587.52 : 1,114,888.16 = 270,216.64 : x
  2. Step 2: Convert to fraction form
    743,587.52/1,114,888.16 = 270,216.64/x
  3. Step 3: Cross multiply
    743,587.52x = 1,114,888.16 × 270,216.64
  4. Step 4: Simplify right side
    743,587.52x = 301,261,332,570.98
  5. Step 5: Solve for x
    x = 301,261,332,570.98/743,587.52
  6. Step 6: Final answer
    x = 405,145.76

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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.