Home / 529,844.47-731,204.56-303,533.71

Finding the Fourth Proportional to 529,844.47, 731,204.56 and 303,533.71

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Solution

The fourth proportional to 529,844.47, 731,204.56 and 303,533.71 is: 418,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,844.47 : 731,204.56 = 303,533.71 : x
  2. Step 2: Convert to fraction form
    529,844.47/731,204.56 = 303,533.71/x
  3. Step 3: Cross multiply
    529,844.47x = 731,204.56 × 303,533.71
  4. Step 4: Simplify right side
    529,844.47x = 221,945,230,278.87
  5. Step 5: Solve for x
    x = 221,945,230,278.87/529,844.47
  6. Step 6: Final answer
    x = 418,887.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.