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Finding the Fourth Proportional to 529,960.96, 731,345.60 and 303,607.36

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Solution

The fourth proportional to 529,960.96, 731,345.60 and 303,607.36 is: 418,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,960.96 : 731,345.60 = 303,607.36 : x
  2. Step 2: Convert to fraction form
    529,960.96/731,345.60 = 303,607.36/x
  3. Step 3: Cross multiply
    529,960.96x = 731,345.60 × 303,607.36
  4. Step 4: Simplify right side
    529,960.96x = 222,041,906,863.62
  5. Step 5: Solve for x
    x = 222,041,906,863.62/529,960.96
  6. Step 6: Final answer
    x = 418,977.86

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1.5x scale

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.