Home / 918,175.39-1,267,051.69-504,713.54

Finding the Fourth Proportional to 918,175.39, 1,267,051.69 and 504,713.54

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Solution

The fourth proportional to 918,175.39, 1,267,051.69 and 504,713.54 is: 696,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,175.39 : 1,267,051.69 = 504,713.54 : x
  2. Step 2: Convert to fraction form
    918,175.39/1,267,051.69 = 504,713.54/x
  3. Step 3: Cross multiply
    918,175.39x = 1,267,051.69 × 504,713.54
  4. Step 4: Simplify right side
    918,175.39x = 639,498,143,822.88
  5. Step 5: Solve for x
    x = 639,498,143,822.88/918,175.39
  6. Step 6: Final answer
    x = 696,488.00

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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.