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Finding the Fourth Proportional to 909,794, 1,255,109.91 and 527,599.46

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Solution

The fourth proportional to 909,794, 1,255,109.91 and 527,599.46 is: 727,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,794 : 1,255,109.91 = 527,599.46 : x
  2. Step 2: Convert to fraction form
    909,794/1,255,109.91 = 527,599.46/x
  3. Step 3: Cross multiply
    909,794x = 1,255,109.91 × 527,599.46
  4. Step 4: Simplify right side
    909,794x = 662,195,310,756.65
  5. Step 5: Solve for x
    x = 662,195,310,756.65/909,794
  6. Step 6: Final answer
    x = 727,851.92

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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.