Home / 716,848.25-989,250.84-394,556.04

Finding the Fourth Proportional to 716,848.25, 989,250.84 and 394,556.04

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Solution

The fourth proportional to 716,848.25, 989,250.84 and 394,556.04 is: 544,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,848.25 : 989,250.84 = 394,556.04 : x
  2. Step 2: Convert to fraction form
    716,848.25/989,250.84 = 394,556.04/x
  3. Step 3: Cross multiply
    716,848.25x = 989,250.84 × 394,556.04
  4. Step 4: Simplify right side
    716,848.25x = 390,314,893,997.07
  5. Step 5: Solve for x
    x = 390,314,893,997.07/716,848.25
  6. Step 6: Final answer
    x = 544,487.48

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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.