Home / 665,188.60-997,867.66-305,272.12

Finding the Fourth Proportional to 665,188.60, 997,867.66 and 305,272.12

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Solution

The fourth proportional to 665,188.60, 997,867.66 and 305,272.12 is: 457,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,188.60 : 997,867.66 = 305,272.12 : x
  2. Step 2: Convert to fraction form
    665,188.60/997,867.66 = 305,272.12/x
  3. Step 3: Cross multiply
    665,188.60x = 997,867.66 × 305,272.12
  4. Step 4: Simplify right side
    665,188.60x = 304,621,176,047.64
  5. Step 5: Solve for x
    x = 304,621,176,047.64/665,188.60
  6. Step 6: Final answer
    x = 457,947.08

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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.