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Finding the Fourth Proportional to 571,767, 857,650.50 and 391,674.84

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Solution

The fourth proportional to 571,767, 857,650.50 and 391,674.84 is: 587,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,767 : 857,650.50 = 391,674.84 : x
  2. Step 2: Convert to fraction form
    571,767/857,650.50 = 391,674.84/x
  3. Step 3: Cross multiply
    571,767x = 857,650.50 × 391,674.84
  4. Step 4: Simplify right side
    571,767x = 335,920,122,363.42
  5. Step 5: Solve for x
    x = 335,920,122,363.42/571,767
  6. Step 6: Final answer
    x = 587,512.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.