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Finding the Fourth Proportional to 547,026.93, 755,297.22 and 353,549.19

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Solution

The fourth proportional to 547,026.93, 755,297.22 and 353,549.19 is: 488,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,026.93 : 755,297.22 = 353,549.19 : x
  2. Step 2: Convert to fraction form
    547,026.93/755,297.22 = 353,549.19/x
  3. Step 3: Cross multiply
    547,026.93x = 755,297.22 × 353,549.19
  4. Step 4: Simplify right side
    547,026.93x = 267,034,720,340.25
  5. Step 5: Solve for x
    x = 267,034,720,340.25/547,026.93
  6. Step 6: Final answer
    x = 488,156.44

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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.