Home / 984,857.20-1,477,285.80-512,465.20

Finding the Fourth Proportional to 984,857.20, 1,477,285.80 and 512,465.20

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Solution

The fourth proportional to 984,857.20, 1,477,285.80 and 512,465.20 is: 768,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,857.20 : 1,477,285.80 = 512,465.20 : x
  2. Step 2: Convert to fraction form
    984,857.20/1,477,285.80 = 512,465.20/x
  3. Step 3: Cross multiply
    984,857.20x = 1,477,285.80 × 512,465.20
  4. Step 4: Simplify right side
    984,857.20x = 757,057,562,954.16
  5. Step 5: Solve for x
    x = 757,057,562,954.16/984,857.20
  6. Step 6: Final answer
    x = 768,697.80

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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.