Home / 1,077,899.20-1,617,079.20-330,020.80

Finding the Fourth Proportional to 1,077,899.20, 1,617,079.20 and 330,020.80

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Solution

The fourth proportional to 1,077,899.20, 1,617,079.20 and 330,020.80 is: 495,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,899.20 : 1,617,079.20 = 330,020.80 : x
  2. Step 2: Convert to fraction form
    1,077,899.20/1,617,079.20 = 330,020.80/x
  3. Step 3: Cross multiply
    1,077,899.20x = 1,617,079.20 × 330,020.80
  4. Step 4: Simplify right side
    1,077,899.20x = 533,669,771,247.36
  5. Step 5: Solve for x
    x = 533,669,771,247.36/1,077,899.20
  6. Step 6: Final answer
    x = 495,101.74

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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.