Home / 684,706.40-1,027,059.60-347,616.80

Finding the Fourth Proportional to 684,706.40, 1,027,059.60 and 347,616.80

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Solution

The fourth proportional to 684,706.40, 1,027,059.60 and 347,616.80 is: 521,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,706.40 : 1,027,059.60 = 347,616.80 : x
  2. Step 2: Convert to fraction form
    684,706.40/1,027,059.60 = 347,616.80/x
  3. Step 3: Cross multiply
    684,706.40x = 1,027,059.60 × 347,616.80
  4. Step 4: Simplify right side
    684,706.40x = 357,023,171,561.28
  5. Step 5: Solve for x
    x = 357,023,171,561.28/684,706.40
  6. Step 6: Final answer
    x = 521,425.20

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Similar ratio
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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.