Home / 830,267.70-1,242,449.10-759,408.90

Finding the Fourth Proportional to 830,267.70, 1,242,449.10 and 759,408.90

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Solution

The fourth proportional to 830,267.70, 1,242,449.10 and 759,408.90 is: 1,136,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,267.70 : 1,242,449.10 = 759,408.90 : x
  2. Step 2: Convert to fraction form
    830,267.70/1,242,449.10 = 759,408.90/x
  3. Step 3: Cross multiply
    830,267.70x = 1,242,449.10 × 759,408.90
  4. Step 4: Simplify right side
    830,267.70x = 943,526,904,336.99
  5. Step 5: Solve for x
    x = 943,526,904,336.99/830,267.70
  6. Step 6: Final answer
    x = 1,136,412.88

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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.