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Finding the Fourth Proportional to 542,043.20, 747,994.41 and 297,026.50

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Solution

The fourth proportional to 542,043.20, 747,994.41 and 297,026.50 is: 409,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,043.20 : 747,994.41 = 297,026.50 : x
  2. Step 2: Convert to fraction form
    542,043.20/747,994.41 = 297,026.50/x
  3. Step 3: Cross multiply
    542,043.20x = 747,994.41 × 297,026.50
  4. Step 4: Simplify right side
    542,043.20x = 222,174,159,751.88
  5. Step 5: Solve for x
    x = 222,174,159,751.88/542,043.20
  6. Step 6: Final answer
    x = 409,882.76

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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.