Home / 753,009.12-1,039,173.84-447,010.56

Finding the Fourth Proportional to 753,009.12, 1,039,173.84 and 447,010.56

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Solution

The fourth proportional to 753,009.12, 1,039,173.84 and 447,010.56 is: 616,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,009.12 : 1,039,173.84 = 447,010.56 : x
  2. Step 2: Convert to fraction form
    753,009.12/1,039,173.84 = 447,010.56/x
  3. Step 3: Cross multiply
    753,009.12x = 1,039,173.84 × 447,010.56
  4. Step 4: Simplify right side
    753,009.12x = 464,521,680,155.75
  5. Step 5: Solve for x
    x = 464,521,680,155.75/753,009.12
  6. Step 6: Final answer
    x = 616,887.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.