Home / 790,197.67-1,090,468.47-427,620.97

Finding the Fourth Proportional to 790,197.67, 1,090,468.47 and 427,620.97

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Solution

The fourth proportional to 790,197.67, 1,090,468.47 and 427,620.97 is: 590,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,197.67 : 1,090,468.47 = 427,620.97 : x
  2. Step 2: Convert to fraction form
    790,197.67/1,090,468.47 = 427,620.97/x
  3. Step 3: Cross multiply
    790,197.67x = 1,090,468.47 × 427,620.97
  4. Step 4: Simplify right side
    790,197.67x = 466,307,184,895.82
  5. Step 5: Solve for x
    x = 466,307,184,895.82/790,197.67
  6. Step 6: Final answer
    x = 590,114.60

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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.