Home / 545,849.80-818,774.70-404,132.20

Finding the Fourth Proportional to 545,849.80, 818,774.70 and 404,132.20

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Solution

The fourth proportional to 545,849.80, 818,774.70 and 404,132.20 is: 606,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,849.80 : 818,774.70 = 404,132.20 : x
  2. Step 2: Convert to fraction form
    545,849.80/818,774.70 = 404,132.20/x
  3. Step 3: Cross multiply
    545,849.80x = 818,774.70 × 404,132.20
  4. Step 4: Simplify right side
    545,849.80x = 330,893,220,815.34
  5. Step 5: Solve for x
    x = 330,893,220,815.34/545,849.80
  6. Step 6: Final answer
    x = 606,198.30

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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.