Home / 756,696.10-1,043,650.13-484,789.30

Finding the Fourth Proportional to 756,696.10, 1,043,650.13 and 484,789.30

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Solution

The fourth proportional to 756,696.10, 1,043,650.13 and 484,789.30 is: 668,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,696.10 : 1,043,650.13 = 484,789.30 : x
  2. Step 2: Convert to fraction form
    756,696.10/1,043,650.13 = 484,789.30/x
  3. Step 3: Cross multiply
    756,696.10x = 1,043,650.13 × 484,789.30
  4. Step 4: Simplify right side
    756,696.10x = 505,950,415,967.61
  5. Step 5: Solve for x
    x = 505,950,415,967.61/756,696.10
  6. Step 6: Final answer
    x = 668,630.93

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.