Home / 847,121.40-1,269,515.70-562,001.40

Finding the Fourth Proportional to 847,121.40, 1,269,515.70 and 562,001.40

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Solution

The fourth proportional to 847,121.40, 1,269,515.70 and 562,001.40 is: 842,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,121.40 : 1,269,515.70 = 562,001.40 : x
  2. Step 2: Convert to fraction form
    847,121.40/1,269,515.70 = 562,001.40/x
  3. Step 3: Cross multiply
    847,121.40x = 1,269,515.70 × 562,001.40
  4. Step 4: Simplify right side
    847,121.40x = 713,469,600,721.98
  5. Step 5: Solve for x
    x = 713,469,600,721.98/847,121.40
  6. Step 6: Final answer
    x = 842,228.28

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Double scale
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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.