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Finding the Fourth Proportional to 3,510,339, 5,265,508.50 and 850,947

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Solution

The fourth proportional to 3,510,339, 5,265,508.50 and 850,947 is: 1,276,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,339 : 5,265,508.50 = 850,947 : x
  2. Step 2: Convert to fraction form
    3,510,339/5,265,508.50 = 850,947/x
  3. Step 3: Cross multiply
    3,510,339x = 5,265,508.50 × 850,947
  4. Step 4: Simplify right side
    3,510,339x = 4,480,668,661,549.50
  5. Step 5: Solve for x
    x = 4,480,668,661,549.50/3,510,339
  6. Step 6: Final answer
    x = 1,276,420.50

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Double scale
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Similar ratio
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1.5x scale

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.