Home / 790,167.83-1,090,434.47-427,591.64

Finding the Fourth Proportional to 790,167.83, 1,090,434.47 and 427,591.64

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Solution

The fourth proportional to 790,167.83, 1,090,434.47 and 427,591.64 is: 590,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,167.83 : 1,090,434.47 = 427,591.64 : x
  2. Step 2: Convert to fraction form
    790,167.83/1,090,434.47 = 427,591.64/x
  3. Step 3: Cross multiply
    790,167.83x = 1,090,434.47 × 427,591.64
  4. Step 4: Simplify right side
    790,167.83x = 466,260,663,927.96
  5. Step 5: Solve for x
    x = 466,260,663,927.96/790,167.83
  6. Step 6: Final answer
    x = 590,078.02

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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.