Home / 916,826.80-1,375,240.20-523,610.80

Finding the Fourth Proportional to 916,826.80, 1,375,240.20 and 523,610.80

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Solution

The fourth proportional to 916,826.80, 1,375,240.20 and 523,610.80 is: 785,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,826.80 : 1,375,240.20 = 523,610.80 : x
  2. Step 2: Convert to fraction form
    916,826.80/1,375,240.20 = 523,610.80/x
  3. Step 3: Cross multiply
    916,826.80x = 1,375,240.20 × 523,610.80
  4. Step 4: Simplify right side
    916,826.80x = 720,090,621,314.16
  5. Step 5: Solve for x
    x = 720,090,621,314.16/916,826.80
  6. Step 6: Final answer
    x = 785,416.20

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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.