Home / 906,910.80-1,360,366.20-308,547.60

Finding the Fourth Proportional to 906,910.80, 1,360,366.20 and 308,547.60

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Solution

The fourth proportional to 906,910.80, 1,360,366.20 and 308,547.60 is: 462,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,910.80 : 1,360,366.20 = 308,547.60 : x
  2. Step 2: Convert to fraction form
    906,910.80/1,360,366.20 = 308,547.60/x
  3. Step 3: Cross multiply
    906,910.80x = 1,360,366.20 × 308,547.60
  4. Step 4: Simplify right side
    906,910.80x = 419,737,726,131.12
  5. Step 5: Solve for x
    x = 419,737,726,131.12/906,910.80
  6. Step 6: Final answer
    x = 462,821.40

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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.