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Finding the Fourth Proportional to 587,472.20, 881,208.30 and 510,489.80

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Solution

The fourth proportional to 587,472.20, 881,208.30 and 510,489.80 is: 765,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,472.20 : 881,208.30 = 510,489.80 : x
  2. Step 2: Convert to fraction form
    587,472.20/881,208.30 = 510,489.80/x
  3. Step 3: Cross multiply
    587,472.20x = 881,208.30 × 510,489.80
  4. Step 4: Simplify right side
    587,472.20x = 449,847,848,825.34
  5. Step 5: Solve for x
    x = 449,847,848,825.34/587,472.20
  6. Step 6: Final answer
    x = 765,734.70

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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.