Home / 743,346.30-1,115,061.69-210,825.18

Finding the Fourth Proportional to 743,346.30, 1,115,061.69 and 210,825.18

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Solution

The fourth proportional to 743,346.30, 1,115,061.69 and 210,825.18 is: 316,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,346.30 : 1,115,061.69 = 210,825.18 : x
  2. Step 2: Convert to fraction form
    743,346.30/1,115,061.69 = 210,825.18/x
  3. Step 3: Cross multiply
    743,346.30x = 1,115,061.69 × 210,825.18
  4. Step 4: Simplify right side
    743,346.30x = 235,083,081,505.35
  5. Step 5: Solve for x
    x = 235,083,081,505.35/743,346.30
  6. Step 6: Final answer
    x = 316,249.75

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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.