Home / 680,554.36-1,020,985.32-225,144.52

Finding the Fourth Proportional to 680,554.36, 1,020,985.32 and 225,144.52

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Solution

The fourth proportional to 680,554.36, 1,020,985.32 and 225,144.52 is: 337,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,554.36 : 1,020,985.32 = 225,144.52 : x
  2. Step 2: Convert to fraction form
    680,554.36/1,020,985.32 = 225,144.52/x
  3. Step 3: Cross multiply
    680,554.36x = 1,020,985.32 × 225,144.52
  4. Step 4: Simplify right side
    680,554.36x = 229,869,244,693.52
  5. Step 5: Solve for x
    x = 229,869,244,693.52/680,554.36
  6. Step 6: Final answer
    x = 337,767.65

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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.