Home / 743,724.72-1,115,666.32-238,104.88

Finding the Fourth Proportional to 743,724.72, 1,115,666.32 and 238,104.88

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Solution

The fourth proportional to 743,724.72, 1,115,666.32 and 238,104.88 is: 357,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,724.72 : 1,115,666.32 = 238,104.88 : x
  2. Step 2: Convert to fraction form
    743,724.72/1,115,666.32 = 238,104.88/x
  3. Step 3: Cross multiply
    743,724.72x = 1,115,666.32 × 238,104.88
  4. Step 4: Simplify right side
    743,724.72x = 265,645,595,243.64
  5. Step 5: Solve for x
    x = 265,645,595,243.64/743,724.72
  6. Step 6: Final answer
    x = 357,182.69

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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.