Home / 804,930.80-1,207,396.20-524,994.80

Finding the Fourth Proportional to 804,930.80, 1,207,396.20 and 524,994.80

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Solution

The fourth proportional to 804,930.80, 1,207,396.20 and 524,994.80 is: 787,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,930.80 : 1,207,396.20 = 524,994.80 : x
  2. Step 2: Convert to fraction form
    804,930.80/1,207,396.20 = 524,994.80/x
  3. Step 3: Cross multiply
    804,930.80x = 1,207,396.20 × 524,994.80
  4. Step 4: Simplify right side
    804,930.80x = 633,876,726,539.76
  5. Step 5: Solve for x
    x = 633,876,726,539.76/804,930.80
  6. Step 6: Final answer
    x = 787,492.20

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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.