Home / 871,813.28-1,307,724.10-264,606.87

Finding the Fourth Proportional to 871,813.28, 1,307,724.10 and 264,606.87

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Solution

The fourth proportional to 871,813.28, 1,307,724.10 and 264,606.87 is: 396,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,813.28 : 1,307,724.10 = 264,606.87 : x
  2. Step 2: Convert to fraction form
    871,813.28/1,307,724.10 = 264,606.87/x
  3. Step 3: Cross multiply
    871,813.28x = 1,307,724.10 × 264,606.87
  4. Step 4: Simplify right side
    871,813.28x = 346,032,775,359.09
  5. Step 5: Solve for x
    x = 346,032,775,359.09/871,813.28
  6. Step 6: Final answer
    x = 396,911.57

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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.