Home / 929,982.21-1,395,025.28-290,374.28

Finding the Fourth Proportional to 929,982.21, 1,395,025.28 and 290,374.28

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Solution

The fourth proportional to 929,982.21, 1,395,025.28 and 290,374.28 is: 435,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,982.21 : 1,395,025.28 = 290,374.28 : x
  2. Step 2: Convert to fraction form
    929,982.21/1,395,025.28 = 290,374.28/x
  3. Step 3: Cross multiply
    929,982.21x = 1,395,025.28 × 290,374.28
  4. Step 4: Simplify right side
    929,982.21x = 405,079,461,261.80
  5. Step 5: Solve for x
    x = 405,079,461,261.80/929,982.21
  6. Step 6: Final answer
    x = 435,577.65

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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.