Home / 804,960.90-1,207,441.35-521,525.70

Finding the Fourth Proportional to 804,960.90, 1,207,441.35 and 521,525.70

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Solution

The fourth proportional to 804,960.90, 1,207,441.35 and 521,525.70 is: 782,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,960.90 : 1,207,441.35 = 521,525.70 : x
  2. Step 2: Convert to fraction form
    804,960.90/1,207,441.35 = 521,525.70/x
  3. Step 3: Cross multiply
    804,960.90x = 1,207,441.35 × 521,525.70
  4. Step 4: Simplify right side
    804,960.90x = 629,711,695,267.70
  5. Step 5: Solve for x
    x = 629,711,695,267.70/804,960.90
  6. Step 6: Final answer
    x = 782,288.55

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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.