Home / 783,492.91-1,081,265.24-439,439.20

Finding the Fourth Proportional to 783,492.91, 1,081,265.24 and 439,439.20

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Solution

The fourth proportional to 783,492.91, 1,081,265.24 and 439,439.20 is: 606,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,492.91 : 1,081,265.24 = 439,439.20 : x
  2. Step 2: Convert to fraction form
    783,492.91/1,081,265.24 = 439,439.20/x
  3. Step 3: Cross multiply
    783,492.91x = 1,081,265.24 × 439,439.20
  4. Step 4: Simplify right side
    783,492.91x = 475,150,330,448.84
  5. Step 5: Solve for x
    x = 475,150,330,448.84/783,492.91
  6. Step 6: Final answer
    x = 606,451.34

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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.