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Finding the Fourth Proportional to 545,177.94, 752,345.46 and 303,455.34

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Solution

The fourth proportional to 545,177.94, 752,345.46 and 303,455.34 is: 418,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,177.94 : 752,345.46 = 303,455.34 : x
  2. Step 2: Convert to fraction form
    545,177.94/752,345.46 = 303,455.34/x
  3. Step 3: Cross multiply
    545,177.94x = 752,345.46 × 303,455.34
  4. Step 4: Simplify right side
    545,177.94x = 228,303,247,361.76
  5. Step 5: Solve for x
    x = 228,303,247,361.76/545,177.94
  6. Step 6: Final answer
    x = 418,768.32

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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.