Home / 445,280.96-666,813.54-311,535.02

Finding the Fourth Proportional to 445,280.96, 666,813.54 and 311,535.02

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Solution

The fourth proportional to 445,280.96, 666,813.54 and 311,535.02 is: 466,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,280.96 : 666,813.54 = 311,535.02 : x
  2. Step 2: Convert to fraction form
    445,280.96/666,813.54 = 311,535.02/x
  3. Step 3: Cross multiply
    445,280.96x = 666,813.54 × 311,535.02
  4. Step 4: Simplify right side
    445,280.96x = 207,735,769,520.17
  5. Step 5: Solve for x
    x = 207,735,769,520.17/445,280.96
  6. Step 6: Final answer
    x = 466,527.40

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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.