Home / 979,924.50-1,469,886.75-315,076.50

Finding the Fourth Proportional to 979,924.50, 1,469,886.75 and 315,076.50

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Solution

The fourth proportional to 979,924.50, 1,469,886.75 and 315,076.50 is: 472,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,924.50 : 1,469,886.75 = 315,076.50 : x
  2. Step 2: Convert to fraction form
    979,924.50/1,469,886.75 = 315,076.50/x
  3. Step 3: Cross multiply
    979,924.50x = 1,469,886.75 × 315,076.50
  4. Step 4: Simplify right side
    979,924.50x = 463,126,772,586.38
  5. Step 5: Solve for x
    x = 463,126,772,586.38/979,924.50
  6. Step 6: Final answer
    x = 472,614.75

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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.