Home / 814,219.80-1,221,329.70-731,551.20

Finding the Fourth Proportional to 814,219.80, 1,221,329.70 and 731,551.20

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Solution

The fourth proportional to 814,219.80, 1,221,329.70 and 731,551.20 is: 1,097,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,219.80 : 1,221,329.70 = 731,551.20 : x
  2. Step 2: Convert to fraction form
    814,219.80/1,221,329.70 = 731,551.20/x
  3. Step 3: Cross multiply
    814,219.80x = 1,221,329.70 × 731,551.20
  4. Step 4: Simplify right side
    814,219.80x = 893,465,207,630.64
  5. Step 5: Solve for x
    x = 893,465,207,630.64/814,219.80
  6. Step 6: Final answer
    x = 1,097,326.80

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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.