Home / 777,748.20-1,165,528.80-618,097.20

Finding the Fourth Proportional to 777,748.20, 1,165,528.80 and 618,097.20

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Solution

The fourth proportional to 777,748.20, 1,165,528.80 and 618,097.20 is: 926,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,748.20 : 1,165,528.80 = 618,097.20 : x
  2. Step 2: Convert to fraction form
    777,748.20/1,165,528.80 = 618,097.20/x
  3. Step 3: Cross multiply
    777,748.20x = 1,165,528.80 × 618,097.20
  4. Step 4: Simplify right side
    777,748.20x = 720,410,087,799.36
  5. Step 5: Solve for x
    x = 720,410,087,799.36/777,748.20
  6. Step 6: Final answer
    x = 926,276.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.