Home / 891,449.38-1,337,370.77-330,483.88

Finding the Fourth Proportional to 891,449.38, 1,337,370.77 and 330,483.88

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Solution

The fourth proportional to 891,449.38, 1,337,370.77 and 330,483.88 is: 495,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,449.38 : 1,337,370.77 = 330,483.88 : x
  2. Step 2: Convert to fraction form
    891,449.38/1,337,370.77 = 330,483.88/x
  3. Step 3: Cross multiply
    891,449.38x = 1,337,370.77 × 330,483.88
  4. Step 4: Simplify right side
    891,449.38x = 441,979,481,068.19
  5. Step 5: Solve for x
    x = 441,979,481,068.19/891,449.38
  6. Step 6: Final answer
    x = 495,798.74

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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.