Home / 644,482.50-966,929.19-270,405.06

Finding the Fourth Proportional to 644,482.50, 966,929.19 and 270,405.06

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Solution

The fourth proportional to 644,482.50, 966,929.19 and 270,405.06 is: 405,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,482.50 : 966,929.19 = 270,405.06 : x
  2. Step 2: Convert to fraction form
    644,482.50/966,929.19 = 270,405.06/x
  3. Step 3: Cross multiply
    644,482.50x = 966,929.19 × 270,405.06
  4. Step 4: Simplify right side
    644,482.50x = 261,462,545,637.70
  5. Step 5: Solve for x
    x = 261,462,545,637.70/644,482.50
  6. Step 6: Final answer
    x = 405,693.79

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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.