Home / 802,140.71-1,106,540.09-543,930.32

Finding the Fourth Proportional to 802,140.71, 1,106,540.09 and 543,930.32

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Solution

The fourth proportional to 802,140.71, 1,106,540.09 and 543,930.32 is: 750,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,140.71 : 1,106,540.09 = 543,930.32 : x
  2. Step 2: Convert to fraction form
    802,140.71/1,106,540.09 = 543,930.32/x
  3. Step 3: Cross multiply
    802,140.71x = 1,106,540.09 × 543,930.32
  4. Step 4: Simplify right side
    802,140.71x = 601,880,707,332.97
  5. Step 5: Solve for x
    x = 601,880,707,332.97/802,140.71
  6. Step 6: Final answer
    x = 750,343.06

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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.