Home / 916,827.20-1,375,240.80-618,228.80

Finding the Fourth Proportional to 916,827.20, 1,375,240.80 and 618,228.80

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Solution

The fourth proportional to 916,827.20, 1,375,240.80 and 618,228.80 is: 927,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,827.20 : 1,375,240.80 = 618,228.80 : x
  2. Step 2: Convert to fraction form
    916,827.20/1,375,240.80 = 618,228.80/x
  3. Step 3: Cross multiply
    916,827.20x = 1,375,240.80 × 618,228.80
  4. Step 4: Simplify right side
    916,827.20x = 850,213,469,495.04
  5. Step 5: Solve for x
    x = 850,213,469,495.04/916,827.20
  6. Step 6: Final answer
    x = 927,343.20

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1.5x scale

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.