Home / 714,521.20-1,072,109.22-309,837.52

Finding the Fourth Proportional to 714,521.20, 1,072,109.22 and 309,837.52

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Solution

The fourth proportional to 714,521.20, 1,072,109.22 and 309,837.52 is: 464,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,521.20 : 1,072,109.22 = 309,837.52 : x
  2. Step 2: Convert to fraction form
    714,521.20/1,072,109.22 = 309,837.52/x
  3. Step 3: Cross multiply
    714,521.20x = 1,072,109.22 × 309,837.52
  4. Step 4: Simplify right side
    714,521.20x = 332,179,661,893.93
  5. Step 5: Solve for x
    x = 332,179,661,893.93/714,521.20
  6. Step 6: Final answer
    x = 464,898.26

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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.