Home / 436,829.58-655,337.92-247,379.50

Finding the Fourth Proportional to 436,829.58, 655,337.92 and 247,379.50

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Solution

The fourth proportional to 436,829.58, 655,337.92 and 247,379.50 is: 371,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,829.58 : 655,337.92 = 247,379.50 : x
  2. Step 2: Convert to fraction form
    436,829.58/655,337.92 = 247,379.50/x
  3. Step 3: Cross multiply
    436,829.58x = 655,337.92 × 247,379.50
  4. Step 4: Simplify right side
    436,829.58x = 162,117,166,980.64
  5. Step 5: Solve for x
    x = 162,117,166,980.64/436,829.58
  6. Step 6: Final answer
    x = 371,122.23

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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.