Home / 699,238.24-1,048,858.32-299,620

Finding the Fourth Proportional to 699,238.24, 1,048,858.32 and 299,620

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Solution

The fourth proportional to 699,238.24, 1,048,858.32 and 299,620 is: 449,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,238.24 : 1,048,858.32 = 299,620 : x
  2. Step 2: Convert to fraction form
    699,238.24/1,048,858.32 = 299,620/x
  3. Step 3: Cross multiply
    699,238.24x = 1,048,858.32 × 299,620
  4. Step 4: Simplify right side
    699,238.24x = 314,258,929,838.40
  5. Step 5: Solve for x
    x = 314,258,929,838.40/699,238.24
  6. Step 6: Final answer
    x = 449,430.41

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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.