Home / 814,973.40-1,221,293.70-565,363.80

Finding the Fourth Proportional to 814,973.40, 1,221,293.70 and 565,363.80

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Solution

The fourth proportional to 814,973.40, 1,221,293.70 and 565,363.80 is: 847,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,973.40 : 1,221,293.70 = 565,363.80 : x
  2. Step 2: Convert to fraction form
    814,973.40/1,221,293.70 = 565,363.80/x
  3. Step 3: Cross multiply
    814,973.40x = 1,221,293.70 × 565,363.80
  4. Step 4: Simplify right side
    814,973.40x = 690,475,247,148.06
  5. Step 5: Solve for x
    x = 690,475,247,148.06/814,973.40
  6. Step 6: Final answer
    x = 847,236.54

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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.