Home / 755,995.79-1,134,215.15-223,530.68

Finding the Fourth Proportional to 755,995.79, 1,134,215.15 and 223,530.68

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Solution

The fourth proportional to 755,995.79, 1,134,215.15 and 223,530.68 is: 335,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,995.79 : 1,134,215.15 = 223,530.68 : x
  2. Step 2: Convert to fraction form
    755,995.79/1,134,215.15 = 223,530.68/x
  3. Step 3: Cross multiply
    755,995.79x = 1,134,215.15 × 223,530.68
  4. Step 4: Simplify right side
    755,995.79x = 253,531,876,957.07
  5. Step 5: Solve for x
    x = 253,531,876,957.07/755,995.79
  6. Step 6: Final answer
    x = 335,361.50

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Double scale
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Similar ratio
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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.