Home / 740,422.76-1,109,794.53-340,236.62

Finding the Fourth Proportional to 740,422.76, 1,109,794.53 and 340,236.62

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Solution

The fourth proportional to 740,422.76, 1,109,794.53 and 340,236.62 is: 509,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,422.76 : 1,109,794.53 = 340,236.62 : x
  2. Step 2: Convert to fraction form
    740,422.76/1,109,794.53 = 340,236.62/x
  3. Step 3: Cross multiply
    740,422.76x = 1,109,794.53 × 340,236.62
  4. Step 4: Simplify right side
    740,422.76x = 377,592,735,508.60
  5. Step 5: Solve for x
    x = 377,592,735,508.60/740,422.76
  6. Step 6: Final answer
    x = 509,969.11

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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.