Home / 844,478.15-1,165,336.47-462,431.12

Finding the Fourth Proportional to 844,478.15, 1,165,336.47 and 462,431.12

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Solution

The fourth proportional to 844,478.15, 1,165,336.47 and 462,431.12 is: 638,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,478.15 : 1,165,336.47 = 462,431.12 : x
  2. Step 2: Convert to fraction form
    844,478.15/1,165,336.47 = 462,431.12/x
  3. Step 3: Cross multiply
    844,478.15x = 1,165,336.47 × 462,431.12
  4. Step 4: Simplify right side
    844,478.15x = 538,887,843,172.26
  5. Step 5: Solve for x
    x = 538,887,843,172.26/844,478.15
  6. Step 6: Final answer
    x = 638,131.19

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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.