Home / 756,826.02-1,135,165.32-307,573.83

Finding the Fourth Proportional to 756,826.02, 1,135,165.32 and 307,573.83

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Solution

The fourth proportional to 756,826.02, 1,135,165.32 and 307,573.83 is: 461,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,826.02 : 1,135,165.32 = 307,573.83 : x
  2. Step 2: Convert to fraction form
    756,826.02/1,135,165.32 = 307,573.83/x
  3. Step 3: Cross multiply
    756,826.02x = 1,135,165.32 × 307,573.83
  4. Step 4: Simplify right side
    756,826.02x = 349,147,145,155.58
  5. Step 5: Solve for x
    x = 349,147,145,155.58/756,826.02
  6. Step 6: Final answer
    x = 461,330.79

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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.