Home / 848,131.54-1,270,370.40-398,178.16

Finding the Fourth Proportional to 848,131.54, 1,270,370.40 and 398,178.16

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Solution

The fourth proportional to 848,131.54, 1,270,370.40 and 398,178.16 is: 596,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,131.54 : 1,270,370.40 = 398,178.16 : x
  2. Step 2: Convert to fraction form
    848,131.54/1,270,370.40 = 398,178.16/x
  3. Step 3: Cross multiply
    848,131.54x = 1,270,370.40 × 398,178.16
  4. Step 4: Simplify right side
    848,131.54x = 505,833,748,390.46
  5. Step 5: Solve for x
    x = 505,833,748,390.46/848,131.54
  6. Step 6: Final answer
    x = 596,409.55

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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.