Home / 665,979.24-919,049.88-360,055.68

Finding the Fourth Proportional to 665,979.24, 919,049.88 and 360,055.68

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Solution

The fourth proportional to 665,979.24, 919,049.88 and 360,055.68 is: 496,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,979.24 : 919,049.88 = 360,055.68 : x
  2. Step 2: Convert to fraction form
    665,979.24/919,049.88 = 360,055.68/x
  3. Step 3: Cross multiply
    665,979.24x = 919,049.88 × 360,055.68
  4. Step 4: Simplify right side
    665,979.24x = 330,909,129,497.32
  5. Step 5: Solve for x
    x = 330,909,129,497.32/665,979.24
  6. Step 6: Final answer
    x = 496,876.04

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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.