Home / 901,382.83-1,243,908.69-493,511.11

Finding the Fourth Proportional to 901,382.83, 1,243,908.69 and 493,511.11

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Solution

The fourth proportional to 901,382.83, 1,243,908.69 and 493,511.11 is: 681,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,382.83 : 1,243,908.69 = 493,511.11 : x
  2. Step 2: Convert to fraction form
    901,382.83/1,243,908.69 = 493,511.11/x
  3. Step 3: Cross multiply
    901,382.83x = 1,243,908.69 × 493,511.11
  4. Step 4: Simplify right side
    901,382.83x = 613,882,758,340.55
  5. Step 5: Solve for x
    x = 613,882,758,340.55/901,382.83
  6. Step 6: Final answer
    x = 681,045.54

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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.