Home / 790,354.45-1,090,689.06-427,778.25

Finding the Fourth Proportional to 790,354.45, 1,090,689.06 and 427,778.25

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Solution

The fourth proportional to 790,354.45, 1,090,689.06 and 427,778.25 is: 590,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,354.45 : 1,090,689.06 = 427,778.25 : x
  2. Step 2: Convert to fraction form
    790,354.45/1,090,689.06 = 427,778.25/x
  3. Step 3: Cross multiply
    790,354.45x = 1,090,689.06 × 427,778.25
  4. Step 4: Simplify right side
    790,354.45x = 466,573,057,380.95
  5. Step 5: Solve for x
    x = 466,573,057,380.95/790,354.45
  6. Step 6: Final answer
    x = 590,333.94

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Double scale
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1.5x scale

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.