Home / 579,406.20-869,109.30-366,829.80

Finding the Fourth Proportional to 579,406.20, 869,109.30 and 366,829.80

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Solution

The fourth proportional to 579,406.20, 869,109.30 and 366,829.80 is: 550,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,406.20 : 869,109.30 = 366,829.80 : x
  2. Step 2: Convert to fraction form
    579,406.20/869,109.30 = 366,829.80/x
  3. Step 3: Cross multiply
    579,406.20x = 869,109.30 × 366,829.80
  4. Step 4: Simplify right side
    579,406.20x = 318,815,190,697.14
  5. Step 5: Solve for x
    x = 318,815,190,697.14/579,406.20
  6. Step 6: Final answer
    x = 550,244.70

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1.5x scale

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.