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Finding the Fourth Proportional to 980,205.60, 1,471,690.80 and 606,957.60

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Solution

The fourth proportional to 980,205.60, 1,471,690.80 and 606,957.60 is: 911,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,205.60 : 1,471,690.80 = 606,957.60 : x
  2. Step 2: Convert to fraction form
    980,205.60/1,471,690.80 = 606,957.60/x
  3. Step 3: Cross multiply
    980,205.60x = 1,471,690.80 × 606,957.60
  4. Step 4: Simplify right side
    980,205.60x = 893,253,915,910.08
  5. Step 5: Solve for x
    x = 893,253,915,910.08/980,205.60
  6. Step 6: Final answer
    x = 911,292.40

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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.