Home / 1,005,395.52-1,507,773.60-331,351.20

Finding the Fourth Proportional to 1,005,395.52, 1,507,773.60 and 331,351.20

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Solution

The fourth proportional to 1,005,395.52, 1,507,773.60 and 331,351.20 is: 496,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,395.52 : 1,507,773.60 = 331,351.20 : x
  2. Step 2: Convert to fraction form
    1,005,395.52/1,507,773.60 = 331,351.20/x
  3. Step 3: Cross multiply
    1,005,395.52x = 1,507,773.60 × 331,351.20
  4. Step 4: Simplify right side
    1,005,395.52x = 499,602,591,688.32
  5. Step 5: Solve for x
    x = 499,602,591,688.32/1,005,395.52
  6. Step 6: Final answer
    x = 496,921.44

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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.