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Finding the Fourth Proportional to 646,417.28, 969,625.92 and 330,701.96

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Solution

The fourth proportional to 646,417.28, 969,625.92 and 330,701.96 is: 496,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,417.28 : 969,625.92 = 330,701.96 : x
  2. Step 2: Convert to fraction form
    646,417.28/969,625.92 = 330,701.96/x
  3. Step 3: Cross multiply
    646,417.28x = 969,625.92 × 330,701.96
  4. Step 4: Simplify right side
    646,417.28x = 320,657,195,875.00
  5. Step 5: Solve for x
    x = 320,657,195,875.00/646,417.28
  6. Step 6: Final answer
    x = 496,052.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.