Home / 1,071,383.32-1,607,028.90-323,407

Finding the Fourth Proportional to 1,071,383.32, 1,607,028.90 and 323,407

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Solution

The fourth proportional to 1,071,383.32, 1,607,028.90 and 323,407 is: 485,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,383.32 : 1,607,028.90 = 323,407 : x
  2. Step 2: Convert to fraction form
    1,071,383.32/1,607,028.90 = 323,407/x
  3. Step 3: Cross multiply
    1,071,383.32x = 1,607,028.90 × 323,407
  4. Step 4: Simplify right side
    1,071,383.32x = 519,724,395,462.30
  5. Step 5: Solve for x
    x = 519,724,395,462.30/1,071,383.32
  6. Step 6: Final answer
    x = 485,096.59

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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.