Home / 844,328.40-1,165,138.20-462,348.60

Finding the Fourth Proportional to 844,328.40, 1,165,138.20 and 462,348.60

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Solution

The fourth proportional to 844,328.40, 1,165,138.20 and 462,348.60 is: 638,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,328.40 : 1,165,138.20 = 462,348.60 : x
  2. Step 2: Convert to fraction form
    844,328.40/1,165,138.20 = 462,348.60/x
  3. Step 3: Cross multiply
    844,328.40x = 1,165,138.20 × 462,348.60
  4. Step 4: Simplify right side
    844,328.40x = 538,700,015,576.52
  5. Step 5: Solve for x
    x = 538,700,015,576.52/844,328.40
  6. Step 6: Final answer
    x = 638,021.91

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Double scale
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1.5x scale

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.