Home / 723,392.71-1,085,109.31-274,029.01

Finding the Fourth Proportional to 723,392.71, 1,085,109.31 and 274,029.01

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Solution

The fourth proportional to 723,392.71, 1,085,109.31 and 274,029.01 is: 411,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,392.71 : 1,085,109.31 = 274,029.01 : x
  2. Step 2: Convert to fraction form
    723,392.71/1,085,109.31 = 274,029.01/x
  3. Step 3: Cross multiply
    723,392.71x = 1,085,109.31 × 274,029.01
  4. Step 4: Simplify right side
    723,392.71x = 297,351,427,590.85
  5. Step 5: Solve for x
    x = 297,351,427,590.85/723,392.71
  6. Step 6: Final answer
    x = 411,051.18

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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.