Home / 848,435.22-1,272,382.36-279,710.33

Finding the Fourth Proportional to 848,435.22, 1,272,382.36 and 279,710.33

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Solution

The fourth proportional to 848,435.22, 1,272,382.36 and 279,710.33 is: 419,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,435.22 : 1,272,382.36 = 279,710.33 : x
  2. Step 2: Convert to fraction form
    848,435.22/1,272,382.36 = 279,710.33/x
  3. Step 3: Cross multiply
    848,435.22x = 1,272,382.36 × 279,710.33
  4. Step 4: Simplify right side
    848,435.22x = 355,898,482,740.59
  5. Step 5: Solve for x
    x = 355,898,482,740.59/848,435.22
  6. Step 6: Final answer
    x = 419,476.32

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1.5x scale

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.