Home / 790,170.12-1,090,437.65-427,593.95

Finding the Fourth Proportional to 790,170.12, 1,090,437.65 and 427,593.95

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Solution

The fourth proportional to 790,170.12, 1,090,437.65 and 427,593.95 is: 590,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,170.12 : 1,090,437.65 = 427,593.95 : x
  2. Step 2: Convert to fraction form
    790,170.12/1,090,437.65 = 427,593.95/x
  3. Step 3: Cross multiply
    790,170.12x = 1,090,437.65 × 427,593.95
  4. Step 4: Simplify right side
    790,170.12x = 466,264,541,992.22
  5. Step 5: Solve for x
    x = 466,264,541,992.22/790,170.12
  6. Step 6: Final answer
    x = 590,081.21

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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.