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Finding the Fourth Proportional to 703,540.80, 1,056,088.80 and 437,601.60

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Solution

The fourth proportional to 703,540.80, 1,056,088.80 and 437,601.60 is: 656,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,540.80 : 1,056,088.80 = 437,601.60 : x
  2. Step 2: Convert to fraction form
    703,540.80/1,056,088.80 = 437,601.60/x
  3. Step 3: Cross multiply
    703,540.80x = 1,056,088.80 × 437,601.60
  4. Step 4: Simplify right side
    703,540.80x = 462,146,148,622.08
  5. Step 5: Solve for x
    x = 462,146,148,622.08/703,540.80
  6. Step 6: Final answer
    x = 656,886.07

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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.