Home / 801,915.88-1,106,643.26-439,362.28

Finding the Fourth Proportional to 801,915.88, 1,106,643.26 and 439,362.28

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Solution

The fourth proportional to 801,915.88, 1,106,643.26 and 439,362.28 is: 606,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,915.88 : 1,106,643.26 = 439,362.28 : x
  2. Step 2: Convert to fraction form
    801,915.88/1,106,643.26 = 439,362.28/x
  3. Step 3: Cross multiply
    801,915.88x = 1,106,643.26 × 439,362.28
  4. Step 4: Simplify right side
    801,915.88x = 486,217,305,860.23
  5. Step 5: Solve for x
    x = 486,217,305,860.23/801,915.88
  6. Step 6: Final answer
    x = 606,319.59

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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.