Home / 850,078.06-1,173,107.61-468,103.90

Finding the Fourth Proportional to 850,078.06, 1,173,107.61 and 468,103.90

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Solution

The fourth proportional to 850,078.06, 1,173,107.61 and 468,103.90 is: 645,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,078.06 : 1,173,107.61 = 468,103.90 : x
  2. Step 2: Convert to fraction form
    850,078.06/1,173,107.61 = 468,103.90/x
  3. Step 3: Cross multiply
    850,078.06x = 1,173,107.61 × 468,103.90
  4. Step 4: Simplify right side
    850,078.06x = 549,136,247,360.68
  5. Step 5: Solve for x
    x = 549,136,247,360.68/850,078.06
  6. Step 6: Final answer
    x = 645,983.32

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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.