Home / 790,226.01-1,090,511.79-427,649.85

Finding the Fourth Proportional to 790,226.01, 1,090,511.79 and 427,649.85

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Solution

The fourth proportional to 790,226.01, 1,090,511.79 and 427,649.85 is: 590,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,226.01 : 1,090,511.79 = 427,649.85 : x
  2. Step 2: Convert to fraction form
    790,226.01/1,090,511.79 = 427,649.85/x
  3. Step 3: Cross multiply
    790,226.01x = 1,090,511.79 × 427,649.85
  4. Step 4: Simplify right side
    790,226.01x = 466,357,203,416.73
  5. Step 5: Solve for x
    x = 466,357,203,416.73/790,226.01
  6. Step 6: Final answer
    x = 590,156.74

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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.