Home / 790,453.96-1,090,827.12-427,876.71

Finding the Fourth Proportional to 790,453.96, 1,090,827.12 and 427,876.71

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Solution

The fourth proportional to 790,453.96, 1,090,827.12 and 427,876.71 is: 590,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,453.96 : 1,090,827.12 = 427,876.71 : x
  2. Step 2: Convert to fraction form
    790,453.96/1,090,827.12 = 427,876.71/x
  3. Step 3: Cross multiply
    790,453.96x = 1,090,827.12 × 427,876.71
  4. Step 4: Simplify right side
    790,453.96x = 466,739,519,284.38
  5. Step 5: Solve for x
    x = 466,739,519,284.38/790,453.96
  6. Step 6: Final answer
    x = 590,470.21

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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.