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Finding the Fourth Proportional to 970,796.66, 1,456,405.19 and 371,757.84

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Solution

The fourth proportional to 970,796.66, 1,456,405.19 and 371,757.84 is: 557,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,796.66 : 1,456,405.19 = 371,757.84 : x
  2. Step 2: Convert to fraction form
    970,796.66/1,456,405.19 = 371,757.84/x
  3. Step 3: Cross multiply
    970,796.66x = 1,456,405.19 × 371,757.84
  4. Step 4: Simplify right side
    970,796.66x = 541,430,045,740.40
  5. Step 5: Solve for x
    x = 541,430,045,740.40/970,796.66
  6. Step 6: Final answer
    x = 557,717.26

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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.