Home / 814,205.20-1,221,307.80-601,628.80

Finding the Fourth Proportional to 814,205.20, 1,221,307.80 and 601,628.80

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Solution

The fourth proportional to 814,205.20, 1,221,307.80 and 601,628.80 is: 902,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,205.20 : 1,221,307.80 = 601,628.80 : x
  2. Step 2: Convert to fraction form
    814,205.20/1,221,307.80 = 601,628.80/x
  3. Step 3: Cross multiply
    814,205.20x = 1,221,307.80 × 601,628.80
  4. Step 4: Simplify right side
    814,205.20x = 734,773,946,144.64
  5. Step 5: Solve for x
    x = 734,773,946,144.64/814,205.20
  6. Step 6: Final answer
    x = 902,443.20

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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.