Home / 848,476.80-1,273,129.92-399,242.30

Finding the Fourth Proportional to 848,476.80, 1,273,129.92 and 399,242.30

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Solution

The fourth proportional to 848,476.80, 1,273,129.92 and 399,242.30 is: 599,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,476.80 : 1,273,129.92 = 399,242.30 : x
  2. Step 2: Convert to fraction form
    848,476.80/1,273,129.92 = 399,242.30/x
  3. Step 3: Cross multiply
    848,476.80x = 1,273,129.92 × 399,242.30
  4. Step 4: Simplify right side
    848,476.80x = 508,287,311,093.97
  5. Step 5: Solve for x
    x = 508,287,311,093.97/848,476.80
  6. Step 6: Final answer
    x = 599,058.58

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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.