Home / 873,350.40-1,309,233.60-312,254.40

Finding the Fourth Proportional to 873,350.40, 1,309,233.60 and 312,254.40

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Solution

The fourth proportional to 873,350.40, 1,309,233.60 and 312,254.40 is: 468,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,350.40 : 1,309,233.60 = 312,254.40 : x
  2. Step 2: Convert to fraction form
    873,350.40/1,309,233.60 = 312,254.40/x
  3. Step 3: Cross multiply
    873,350.40x = 1,309,233.60 × 312,254.40
  4. Step 4: Simplify right side
    873,350.40x = 408,813,952,227.84
  5. Step 5: Solve for x
    x = 408,813,952,227.84/873,350.40
  6. Step 6: Final answer
    x = 468,098.43

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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.