Home / 519,748.20-779,622.30-295,021.80

Finding the Fourth Proportional to 519,748.20, 779,622.30 and 295,021.80

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Solution

The fourth proportional to 519,748.20, 779,622.30 and 295,021.80 is: 442,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,748.20 : 779,622.30 = 295,021.80 : x
  2. Step 2: Convert to fraction form
    519,748.20/779,622.30 = 295,021.80/x
  3. Step 3: Cross multiply
    519,748.20x = 779,622.30 × 295,021.80
  4. Step 4: Simplify right side
    519,748.20x = 230,005,574,266.14
  5. Step 5: Solve for x
    x = 230,005,574,266.14/519,748.20
  6. Step 6: Final answer
    x = 442,532.70

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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.