Home / 801,940.49-1,106,677.84-439,378.10

Finding the Fourth Proportional to 801,940.49, 1,106,677.84 and 439,378.10

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Solution

The fourth proportional to 801,940.49, 1,106,677.84 and 439,378.10 is: 606,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,940.49 : 1,106,677.84 = 439,378.10 : x
  2. Step 2: Convert to fraction form
    801,940.49/1,106,677.84 = 439,378.10/x
  3. Step 3: Cross multiply
    801,940.49x = 1,106,677.84 × 439,378.10
  4. Step 4: Simplify right side
    801,940.49x = 486,250,006,651.30
  5. Step 5: Solve for x
    x = 486,250,006,651.30/801,940.49
  6. Step 6: Final answer
    x = 606,341.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.