Home / 519,887.20-779,247.60-295,355.20

Finding the Fourth Proportional to 519,887.20, 779,247.60 and 295,355.20

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Solution

The fourth proportional to 519,887.20, 779,247.60 and 295,355.20 is: 442,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,887.20 : 779,247.60 = 295,355.20 : x
  2. Step 2: Convert to fraction form
    519,887.20/779,247.60 = 295,355.20/x
  3. Step 3: Cross multiply
    519,887.20x = 779,247.60 × 295,355.20
  4. Step 4: Simplify right side
    519,887.20x = 230,154,830,747.52
  5. Step 5: Solve for x
    x = 230,154,830,747.52/519,887.20
  6. Step 6: Final answer
    x = 442,701.48

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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.