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Finding the Fourth Proportional to 538,019.60, 807,029.40 and 497,469.20

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Solution

The fourth proportional to 538,019.60, 807,029.40 and 497,469.20 is: 746,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,019.60 : 807,029.40 = 497,469.20 : x
  2. Step 2: Convert to fraction form
    538,019.60/807,029.40 = 497,469.20/x
  3. Step 3: Cross multiply
    538,019.60x = 807,029.40 × 497,469.20
  4. Step 4: Simplify right side
    538,019.60x = 401,472,269,994.48
  5. Step 5: Solve for x
    x = 401,472,269,994.48/538,019.60
  6. Step 6: Final answer
    x = 746,203.80

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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.