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Finding the Fourth Proportional to 542,826.20, 814,239.30 and 507,834.20

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Solution

The fourth proportional to 542,826.20, 814,239.30 and 507,834.20 is: 761,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,826.20 : 814,239.30 = 507,834.20 : x
  2. Step 2: Convert to fraction form
    542,826.20/814,239.30 = 507,834.20/x
  3. Step 3: Cross multiply
    542,826.20x = 814,239.30 × 507,834.20
  4. Step 4: Simplify right side
    542,826.20x = 413,498,563,524.06
  5. Step 5: Solve for x
    x = 413,498,563,524.06/542,826.20
  6. Step 6: Final answer
    x = 761,751.30

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