Home / 703,141.27-1,055,102.81-343,316.52

Finding the Fourth Proportional to 703,141.27, 1,055,102.81 and 343,316.52

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Solution

The fourth proportional to 703,141.27, 1,055,102.81 and 343,316.52 is: 515,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,141.27 : 1,055,102.81 = 343,316.52 : x
  2. Step 2: Convert to fraction form
    703,141.27/1,055,102.81 = 343,316.52/x
  3. Step 3: Cross multiply
    703,141.27x = 1,055,102.81 × 343,316.52
  4. Step 4: Simplify right side
    703,141.27x = 362,234,223,254.84
  5. Step 5: Solve for x
    x = 362,234,223,254.84/703,141.27
  6. Step 6: Final answer
    x = 515,165.64

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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.