Home / 890,946.83-1,336,422.87-217,028.45

Finding the Fourth Proportional to 890,946.83, 1,336,422.87 and 217,028.45

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Solution

The fourth proportional to 890,946.83, 1,336,422.87 and 217,028.45 is: 325,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,946.83 : 1,336,422.87 = 217,028.45 : x
  2. Step 2: Convert to fraction form
    890,946.83/1,336,422.87 = 217,028.45/x
  3. Step 3: Cross multiply
    890,946.83x = 1,336,422.87 × 217,028.45
  4. Step 4: Simplify right side
    890,946.83x = 290,041,777,338.54
  5. Step 5: Solve for x
    x = 290,041,777,338.54/890,946.83
  6. Step 6: Final answer
    x = 325,543.31

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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.