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Finding the Fourth Proportional to 545,700.83, 752,967.18 and 303,977.39

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Solution

The fourth proportional to 545,700.83, 752,967.18 and 303,977.39 is: 419,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,700.83 : 752,967.18 = 303,977.39 : x
  2. Step 2: Convert to fraction form
    545,700.83/752,967.18 = 303,977.39/x
  3. Step 3: Cross multiply
    545,700.83x = 752,967.18 × 303,977.39
  4. Step 4: Simplify right side
    545,700.83x = 228,884,998,132.06
  5. Step 5: Solve for x
    x = 228,884,998,132.06/545,700.83
  6. Step 6: Final answer
    x = 419,433.11

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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.