Home / 661,546.18-913,193.40-468,960.49

Finding the Fourth Proportional to 661,546.18, 913,193.40 and 468,960.49

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Solution

The fourth proportional to 661,546.18, 913,193.40 and 468,960.49 is: 647,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,546.18 : 913,193.40 = 468,960.49 : x
  2. Step 2: Convert to fraction form
    661,546.18/913,193.40 = 468,960.49/x
  3. Step 3: Cross multiply
    661,546.18x = 913,193.40 × 468,960.49
  4. Step 4: Simplify right side
    661,546.18x = 428,251,624,328.77
  5. Step 5: Solve for x
    x = 428,251,624,328.77/661,546.18
  6. Step 6: Final answer
    x = 647,349.55

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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.