Home / 726,947.75-1,003,300.70-436,720.88

Finding the Fourth Proportional to 726,947.75, 1,003,300.70 and 436,720.88

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Solution

The fourth proportional to 726,947.75, 1,003,300.70 and 436,720.88 is: 602,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,947.75 : 1,003,300.70 = 436,720.88 : x
  2. Step 2: Convert to fraction form
    726,947.75/1,003,300.70 = 436,720.88/x
  3. Step 3: Cross multiply
    726,947.75x = 1,003,300.70 × 436,720.88
  4. Step 4: Simplify right side
    726,947.75x = 438,162,364,933.26
  5. Step 5: Solve for x
    x = 438,162,364,933.26/726,947.75
  6. Step 6: Final answer
    x = 602,742.59

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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.