Home / 500,657.28-750,979.44-121,581.24

Finding the Fourth Proportional to 500,657.28, 750,979.44 and 121,581.24

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Solution

The fourth proportional to 500,657.28, 750,979.44 and 121,581.24 is: 182,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,657.28 : 750,979.44 = 121,581.24 : x
  2. Step 2: Convert to fraction form
    500,657.28/750,979.44 = 121,581.24/x
  3. Step 3: Cross multiply
    500,657.28x = 750,979.44 × 121,581.24
  4. Step 4: Simplify right side
    500,657.28x = 91,305,011,529.71
  5. Step 5: Solve for x
    x = 91,305,011,529.71/500,657.28
  6. Step 6: Final answer
    x = 182,370.29

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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.