Home / 756,607.52-1,134,786.36-307,310.24

Finding the Fourth Proportional to 756,607.52, 1,134,786.36 and 307,310.24

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Solution

The fourth proportional to 756,607.52, 1,134,786.36 and 307,310.24 is: 460,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,607.52 : 1,134,786.36 = 307,310.24 : x
  2. Step 2: Convert to fraction form
    756,607.52/1,134,786.36 = 307,310.24/x
  3. Step 3: Cross multiply
    756,607.52x = 1,134,786.36 × 307,310.24
  4. Step 4: Simplify right side
    756,607.52x = 348,731,468,640.33
  5. Step 5: Solve for x
    x = 348,731,468,640.33/756,607.52
  6. Step 6: Final answer
    x = 460,914.62

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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.