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Finding the Fourth Proportional to 552,684.20, 829,026.30 and 487,365.80

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Solution

The fourth proportional to 552,684.20, 829,026.30 and 487,365.80 is: 731,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,684.20 : 829,026.30 = 487,365.80 : x
  2. Step 2: Convert to fraction form
    552,684.20/829,026.30 = 487,365.80/x
  3. Step 3: Cross multiply
    552,684.20x = 829,026.30 × 487,365.80
  4. Step 4: Simplify right side
    552,684.20x = 404,039,065,920.54
  5. Step 5: Solve for x
    x = 404,039,065,920.54/552,684.20
  6. Step 6: Final answer
    x = 731,048.70

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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.