Home / 910,469.70-1,365,704.55-438,077.70

Finding the Fourth Proportional to 910,469.70, 1,365,704.55 and 438,077.70

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Solution

The fourth proportional to 910,469.70, 1,365,704.55 and 438,077.70 is: 657,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,469.70 : 1,365,704.55 = 438,077.70 : x
  2. Step 2: Convert to fraction form
    910,469.70/1,365,704.55 = 438,077.70/x
  3. Step 3: Cross multiply
    910,469.70x = 1,365,704.55 × 438,077.70
  4. Step 4: Simplify right side
    910,469.70x = 598,284,708,143.54
  5. Step 5: Solve for x
    x = 598,284,708,143.54/910,469.70
  6. Step 6: Final answer
    x = 657,116.55

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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.