Home / 872,535.26-1,309,502.82-451,931.42

Finding the Fourth Proportional to 872,535.26, 1,309,502.82 and 451,931.42

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Solution

The fourth proportional to 872,535.26, 1,309,502.82 and 451,931.42 is: 678,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,535.26 : 1,309,502.82 = 451,931.42 : x
  2. Step 2: Convert to fraction form
    872,535.26/1,309,502.82 = 451,931.42/x
  3. Step 3: Cross multiply
    872,535.26x = 1,309,502.82 × 451,931.42
  4. Step 4: Simplify right side
    872,535.26x = 591,805,468,936.60
  5. Step 5: Solve for x
    x = 591,805,468,936.60/872,535.26
  6. Step 6: Final answer
    x = 678,259.66

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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.