Home / 790,211.75-1,090,492.16-427,635.61

Finding the Fourth Proportional to 790,211.75, 1,090,492.16 and 427,635.61

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Solution

The fourth proportional to 790,211.75, 1,090,492.16 and 427,635.61 is: 590,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,211.75 : 1,090,492.16 = 427,635.61 : x
  2. Step 2: Convert to fraction form
    790,211.75/1,090,492.16 = 427,635.61/x
  3. Step 3: Cross multiply
    790,211.75x = 1,090,492.16 × 427,635.61
  4. Step 4: Simplify right side
    790,211.75x = 466,333,275,177.41
  5. Step 5: Solve for x
    x = 466,333,275,177.41/790,211.75
  6. Step 6: Final answer
    x = 590,137.11

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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.