Home / 761,327-1,050,665.70-421,795.26

Finding the Fourth Proportional to 761,327, 1,050,665.70 and 421,795.26

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Solution

The fourth proportional to 761,327, 1,050,665.70 and 421,795.26 is: 582,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,327 : 1,050,665.70 = 421,795.26 : x
  2. Step 2: Convert to fraction form
    761,327/1,050,665.70 = 421,795.26/x
  3. Step 3: Cross multiply
    761,327x = 1,050,665.70 × 421,795.26
  4. Step 4: Simplify right side
    761,327x = 443,165,812,104.58
  5. Step 5: Solve for x
    x = 443,165,812,104.58/761,327
  6. Step 6: Final answer
    x = 582,096.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.