Home / 805,967.22-1,208,951.64-300,520.47

Finding the Fourth Proportional to 805,967.22, 1,208,951.64 and 300,520.47

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Solution

The fourth proportional to 805,967.22, 1,208,951.64 and 300,520.47 is: 450,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,967.22 : 1,208,951.64 = 300,520.47 : x
  2. Step 2: Convert to fraction form
    805,967.22/1,208,951.64 = 300,520.47/x
  3. Step 3: Cross multiply
    805,967.22x = 1,208,951.64 × 300,520.47
  4. Step 4: Simplify right side
    805,967.22x = 363,314,715,060.07
  5. Step 5: Solve for x
    x = 363,314,715,060.07/805,967.22
  6. Step 6: Final answer
    x = 450,781.01

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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.