Home / 919,505.52-1,377,464.94-518,934.60

Finding the Fourth Proportional to 919,505.52, 1,377,464.94 and 518,934.60

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Solution

The fourth proportional to 919,505.52, 1,377,464.94 and 518,934.60 is: 777,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,505.52 : 1,377,464.94 = 518,934.60 : x
  2. Step 2: Convert to fraction form
    919,505.52/1,377,464.94 = 518,934.60/x
  3. Step 3: Cross multiply
    919,505.52x = 1,377,464.94 × 518,934.60
  4. Step 4: Simplify right side
    919,505.52x = 714,814,217,652.92
  5. Step 5: Solve for x
    x = 714,814,217,652.92/919,505.52
  6. Step 6: Final answer
    x = 777,389.81

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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.