Home / 790,181.76-1,090,442.52-427,597.68

Finding the Fourth Proportional to 790,181.76, 1,090,442.52 and 427,597.68

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Solution

The fourth proportional to 790,181.76, 1,090,442.52 and 427,597.68 is: 590,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,181.76 : 1,090,442.52 = 427,597.68 : x
  2. Step 2: Convert to fraction form
    790,181.76/1,090,442.52 = 427,597.68/x
  3. Step 3: Cross multiply
    790,181.76x = 1,090,442.52 × 427,597.68
  4. Step 4: Simplify right side
    790,181.76x = 466,270,691,725.35
  5. Step 5: Solve for x
    x = 466,270,691,725.35/790,181.76
  6. Step 6: Final answer
    x = 590,080.30

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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.