Home / 790,137.46-1,090,382.08-427,553.38

Finding the Fourth Proportional to 790,137.46, 1,090,382.08 and 427,553.38

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Solution

The fourth proportional to 790,137.46, 1,090,382.08 and 427,553.38 is: 590,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,137.46 : 1,090,382.08 = 427,553.38 : x
  2. Step 2: Convert to fraction form
    790,137.46/1,090,382.08 = 427,553.38/x
  3. Step 3: Cross multiply
    790,137.46x = 1,090,382.08 × 427,553.38
  4. Step 4: Simplify right side
    790,137.46x = 466,196,543,795.43
  5. Step 5: Solve for x
    x = 466,196,543,795.43/790,137.46
  6. Step 6: Final answer
    x = 590,019.54

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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.