Home / 926,201.80-1,389,302.70-327,158.20

Finding the Fourth Proportional to 926,201.80, 1,389,302.70 and 327,158.20

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Solution

The fourth proportional to 926,201.80, 1,389,302.70 and 327,158.20 is: 490,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,201.80 : 1,389,302.70 = 327,158.20 : x
  2. Step 2: Convert to fraction form
    926,201.80/1,389,302.70 = 327,158.20/x
  3. Step 3: Cross multiply
    926,201.80x = 1,389,302.70 × 327,158.20
  4. Step 4: Simplify right side
    926,201.80x = 454,521,770,587.14
  5. Step 5: Solve for x
    x = 454,521,770,587.14/926,201.80
  6. Step 6: Final answer
    x = 490,737.30

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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.