Home / 849,640.58-1,172,504.33-467,664.63

Finding the Fourth Proportional to 849,640.58, 1,172,504.33 and 467,664.63

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Solution

The fourth proportional to 849,640.58, 1,172,504.33 and 467,664.63 is: 645,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,640.58 : 1,172,504.33 = 467,664.63 : x
  2. Step 2: Convert to fraction form
    849,640.58/1,172,504.33 = 467,664.63/x
  3. Step 3: Cross multiply
    849,640.58x = 1,172,504.33 × 467,664.63
  4. Step 4: Simplify right side
    849,640.58x = 548,338,803,662.85
  5. Step 5: Solve for x
    x = 548,338,803,662.85/849,640.58
  6. Step 6: Final answer
    x = 645,377.37

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Double scale
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1.5x scale

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.