Home / 755,949.50-1,133,924.25-312,717.50

Finding the Fourth Proportional to 755,949.50, 1,133,924.25 and 312,717.50

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Solution

The fourth proportional to 755,949.50, 1,133,924.25 and 312,717.50 is: 469,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,949.50 : 1,133,924.25 = 312,717.50 : x
  2. Step 2: Convert to fraction form
    755,949.50/1,133,924.25 = 312,717.50/x
  3. Step 3: Cross multiply
    755,949.50x = 1,133,924.25 × 312,717.50
  4. Step 4: Simplify right side
    755,949.50x = 354,597,956,649.38
  5. Step 5: Solve for x
    x = 354,597,956,649.38/755,949.50
  6. Step 6: Final answer
    x = 469,076.25

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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.