Home / 893,575.30-1,233,142.18-485,678.11

Finding the Fourth Proportional to 893,575.30, 1,233,142.18 and 485,678.11

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Solution

The fourth proportional to 893,575.30, 1,233,142.18 and 485,678.11 is: 670,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,575.30 : 1,233,142.18 = 485,678.11 : x
  2. Step 2: Convert to fraction form
    893,575.30/1,233,142.18 = 485,678.11/x
  3. Step 3: Cross multiply
    893,575.30x = 1,233,142.18 × 485,678.11
  4. Step 4: Simplify right side
    893,575.30x = 598,910,154,749.58
  5. Step 5: Solve for x
    x = 598,910,154,749.58/893,575.30
  6. Step 6: Final answer
    x = 670,240.27

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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.