Home / 813,813.21-1,220,470.47-562,707.33

Finding the Fourth Proportional to 813,813.21, 1,220,470.47 and 562,707.33

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Solution

The fourth proportional to 813,813.21, 1,220,470.47 and 562,707.33 is: 843,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,813.21 : 1,220,470.47 = 562,707.33 : x
  2. Step 2: Convert to fraction form
    813,813.21/1,220,470.47 = 562,707.33/x
  3. Step 3: Cross multiply
    813,813.21x = 1,220,470.47 × 562,707.33
  4. Step 4: Simplify right side
    813,813.21x = 686,767,679,517.55
  5. Step 5: Solve for x
    x = 686,767,679,517.55/813,813.21
  6. Step 6: Final answer
    x = 843,888.59

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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.