Home / 926,285.60-1,389,428.40-327,922.40

Finding the Fourth Proportional to 926,285.60, 1,389,428.40 and 327,922.40

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Solution

The fourth proportional to 926,285.60, 1,389,428.40 and 327,922.40 is: 491,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,285.60 : 1,389,428.40 = 327,922.40 : x
  2. Step 2: Convert to fraction form
    926,285.60/1,389,428.40 = 327,922.40/x
  3. Step 3: Cross multiply
    926,285.60x = 1,389,428.40 × 327,922.40
  4. Step 4: Simplify right side
    926,285.60x = 455,624,695,556.16
  5. Step 5: Solve for x
    x = 455,624,695,556.16/926,285.60
  6. Step 6: Final answer
    x = 491,883.60

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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.