Home / 1,477,688.40-2,216,532.60-531,154.80

Finding the Fourth Proportional to 1,477,688.40, 2,216,532.60 and 531,154.80

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Solution

The fourth proportional to 1,477,688.40, 2,216,532.60 and 531,154.80 is: 796,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,688.40 : 2,216,532.60 = 531,154.80 : x
  2. Step 2: Convert to fraction form
    1,477,688.40/2,216,532.60 = 531,154.80/x
  3. Step 3: Cross multiply
    1,477,688.40x = 2,216,532.60 × 531,154.80
  4. Step 4: Simplify right side
    1,477,688.40x = 1,177,321,929,846.48
  5. Step 5: Solve for x
    x = 1,177,321,929,846.48/1,477,688.40
  6. Step 6: Final answer
    x = 796,732.20

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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.