Home / 804,933.90-1,207,400.85-521,498.70

Finding the Fourth Proportional to 804,933.90, 1,207,400.85 and 521,498.70

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Solution

The fourth proportional to 804,933.90, 1,207,400.85 and 521,498.70 is: 782,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,933.90 : 1,207,400.85 = 521,498.70 : x
  2. Step 2: Convert to fraction form
    804,933.90/1,207,400.85 = 521,498.70/x
  3. Step 3: Cross multiply
    804,933.90x = 1,207,400.85 × 521,498.70
  4. Step 4: Simplify right side
    804,933.90x = 629,657,973,653.90
  5. Step 5: Solve for x
    x = 629,657,973,653.90/804,933.90
  6. Step 6: Final answer
    x = 782,248.05

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Similar ratio
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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.