Home / 653,788.36-902,482.50-412,023.56

Finding the Fourth Proportional to 653,788.36, 902,482.50 and 412,023.56

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Solution

The fourth proportional to 653,788.36, 902,482.50 and 412,023.56 is: 568,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,788.36 : 902,482.50 = 412,023.56 : x
  2. Step 2: Convert to fraction form
    653,788.36/902,482.50 = 412,023.56/x
  3. Step 3: Cross multiply
    653,788.36x = 902,482.50 × 412,023.56
  4. Step 4: Simplify right side
    653,788.36x = 371,844,052,487.70
  5. Step 5: Solve for x
    x = 371,844,052,487.70/653,788.36
  6. Step 6: Final answer
    x = 568,752.94

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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.