Home / 729,218.80-1,093,828.20-490,070.35

Finding the Fourth Proportional to 729,218.80, 1,093,828.20 and 490,070.35

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Solution

The fourth proportional to 729,218.80, 1,093,828.20 and 490,070.35 is: 735,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,218.80 : 1,093,828.20 = 490,070.35 : x
  2. Step 2: Convert to fraction form
    729,218.80/1,093,828.20 = 490,070.35/x
  3. Step 3: Cross multiply
    729,218.80x = 1,093,828.20 × 490,070.35
  4. Step 4: Simplify right side
    729,218.80x = 536,052,768,813.87
  5. Step 5: Solve for x
    x = 536,052,768,813.87/729,218.80
  6. Step 6: Final answer
    x = 735,105.53

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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.