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Finding the Fourth Proportional to 797,672.90, 1,100,801.52 and 435,096.65

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Solution

The fourth proportional to 797,672.90, 1,100,801.52 and 435,096.65 is: 600,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,672.90 : 1,100,801.52 = 435,096.65 : x
  2. Step 2: Convert to fraction form
    797,672.90/1,100,801.52 = 435,096.65/x
  3. Step 3: Cross multiply
    797,672.90x = 1,100,801.52 × 435,096.65
  4. Step 4: Simplify right side
    797,672.90x = 478,955,048,162.90
  5. Step 5: Solve for x
    x = 478,955,048,162.90/797,672.90
  6. Step 6: Final answer
    x = 600,440.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.