Home / 848,308.36-1,272,429.30-287,342.84

Finding the Fourth Proportional to 848,308.36, 1,272,429.30 and 287,342.84

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Solution

The fourth proportional to 848,308.36, 1,272,429.30 and 287,342.84 is: 431,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,308.36 : 1,272,429.30 = 287,342.84 : x
  2. Step 2: Convert to fraction form
    848,308.36/1,272,429.30 = 287,342.84/x
  3. Step 3: Cross multiply
    848,308.36x = 1,272,429.30 × 287,342.84
  4. Step 4: Simplify right side
    848,308.36x = 365,623,448,761.21
  5. Step 5: Solve for x
    x = 365,623,448,761.21/848,308.36
  6. Step 6: Final answer
    x = 431,003.00

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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.