Home / 723,730.60-1,084,818.30-274,277.80

Finding the Fourth Proportional to 723,730.60, 1,084,818.30 and 274,277.80

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Solution

The fourth proportional to 723,730.60, 1,084,818.30 and 274,277.80 is: 411,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,730.60 : 1,084,818.30 = 274,277.80 : x
  2. Step 2: Convert to fraction form
    723,730.60/1,084,818.30 = 274,277.80/x
  3. Step 3: Cross multiply
    723,730.60x = 1,084,818.30 × 274,277.80
  4. Step 4: Simplify right side
    723,730.60x = 297,541,576,723.74
  5. Step 5: Solve for x
    x = 297,541,576,723.74/723,730.60
  6. Step 6: Final answer
    x = 411,122.01

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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.