Home / 848,135.54-1,270,376.40-398,182.16

Finding the Fourth Proportional to 848,135.54, 1,270,376.40 and 398,182.16

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Solution

The fourth proportional to 848,135.54, 1,270,376.40 and 398,182.16 is: 596,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,135.54 : 1,270,376.40 = 398,182.16 : x
  2. Step 2: Convert to fraction form
    848,135.54/1,270,376.40 = 398,182.16/x
  3. Step 3: Cross multiply
    848,135.54x = 1,270,376.40 × 398,182.16
  4. Step 4: Simplify right side
    848,135.54x = 505,841,218,965.02
  5. Step 5: Solve for x
    x = 505,841,218,965.02/848,135.54
  6. Step 6: Final answer
    x = 596,415.54

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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.