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Finding the Fourth Proportional to 545,705.83, 753,096.73 and 303,988.34

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Solution

The fourth proportional to 545,705.83, 753,096.73 and 303,988.34 is: 419,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,705.83 : 753,096.73 = 303,988.34 : x
  2. Step 2: Convert to fraction form
    545,705.83/753,096.73 = 303,988.34/x
  3. Step 3: Cross multiply
    545,705.83x = 753,096.73 × 303,988.34
  4. Step 4: Simplify right side
    545,705.83x = 228,932,621,426.63
  5. Step 5: Solve for x
    x = 228,932,621,426.63/545,705.83
  6. Step 6: Final answer
    x = 419,516.54

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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.