Home / 802,171.20-1,106,582.40-543,960.84

Finding the Fourth Proportional to 802,171.20, 1,106,582.40 and 543,960.84

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Solution

The fourth proportional to 802,171.20, 1,106,582.40 and 543,960.84 is: 750,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,171.20 : 1,106,582.40 = 543,960.84 : x
  2. Step 2: Convert to fraction form
    802,171.20/1,106,582.40 = 543,960.84/x
  3. Step 3: Cross multiply
    802,171.20x = 1,106,582.40 × 543,960.84
  4. Step 4: Simplify right side
    802,171.20x = 601,937,491,833.22
  5. Step 5: Solve for x
    x = 601,937,491,833.22/802,171.20
  6. Step 6: Final answer
    x = 750,385.32

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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.