Home / 946,840.40-1,420,260.60-272,920.40

Finding the Fourth Proportional to 946,840.40, 1,420,260.60 and 272,920.40

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Solution

The fourth proportional to 946,840.40, 1,420,260.60 and 272,920.40 is: 409,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,840.40 : 1,420,260.60 = 272,920.40 : x
  2. Step 2: Convert to fraction form
    946,840.40/1,420,260.60 = 272,920.40/x
  3. Step 3: Cross multiply
    946,840.40x = 1,420,260.60 × 272,920.40
  4. Step 4: Simplify right side
    946,840.40x = 387,618,091,056.24
  5. Step 5: Solve for x
    x = 387,618,091,056.24/946,840.40
  6. Step 6: Final answer
    x = 409,380.60

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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.