Home / 740,010.30-1,109,820.96-319,192.62

Finding the Fourth Proportional to 740,010.30, 1,109,820.96 and 319,192.62

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Solution

The fourth proportional to 740,010.30, 1,109,820.96 and 319,192.62 is: 478,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,010.30 : 1,109,820.96 = 319,192.62 : x
  2. Step 2: Convert to fraction form
    740,010.30/1,109,820.96 = 319,192.62/x
  3. Step 3: Cross multiply
    740,010.30x = 1,109,820.96 × 319,192.62
  4. Step 4: Simplify right side
    740,010.30x = 354,246,659,953.32
  5. Step 5: Solve for x
    x = 354,246,659,953.32/740,010.30
  6. Step 6: Final answer
    x = 478,705.04

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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.