Home / 850,081.87-1,173,112.87-468,107.71

Finding the Fourth Proportional to 850,081.87, 1,173,112.87 and 468,107.71

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Solution

The fourth proportional to 850,081.87, 1,173,112.87 and 468,107.71 is: 645,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,081.87 : 1,173,112.87 = 468,107.71 : x
  2. Step 2: Convert to fraction form
    850,081.87/1,173,112.87 = 468,107.71/x
  3. Step 3: Cross multiply
    850,081.87x = 1,173,112.87 × 468,107.71
  4. Step 4: Simplify right side
    850,081.87x = 549,143,182,080.01
  5. Step 5: Solve for x
    x = 549,143,182,080.01/850,081.87
  6. Step 6: Final answer
    x = 645,988.58

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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.