Home / 464,947.29-639,995.09-407,451.15

Finding the Fourth Proportional to 464,947.29, 639,995.09 and 407,451.15

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Solution

The fourth proportional to 464,947.29, 639,995.09 and 407,451.15 is: 560,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,947.29 : 639,995.09 = 407,451.15 : x
  2. Step 2: Convert to fraction form
    464,947.29/639,995.09 = 407,451.15/x
  3. Step 3: Cross multiply
    464,947.29x = 639,995.09 × 407,451.15
  4. Step 4: Simplify right side
    464,947.29x = 260,766,733,377.60
  5. Step 5: Solve for x
    x = 260,766,733,377.60/464,947.29
  6. Step 6: Final answer
    x = 560,852.25

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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.