Home / 971,185.80-1,456,778.70-498,793.80

Finding the Fourth Proportional to 971,185.80, 1,456,778.70 and 498,793.80

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Solution

The fourth proportional to 971,185.80, 1,456,778.70 and 498,793.80 is: 748,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,185.80 : 1,456,778.70 = 498,793.80 : x
  2. Step 2: Convert to fraction form
    971,185.80/1,456,778.70 = 498,793.80/x
  3. Step 3: Cross multiply
    971,185.80x = 1,456,778.70 × 498,793.80
  4. Step 4: Simplify right side
    971,185.80x = 726,632,183,532.06
  5. Step 5: Solve for x
    x = 726,632,183,532.06/971,185.80
  6. Step 6: Final answer
    x = 748,190.70

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Double scale
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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.