Home / 984,819.70-1,477,278.15-512,427.70

Finding the Fourth Proportional to 984,819.70, 1,477,278.15 and 512,427.70

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Solution

The fourth proportional to 984,819.70, 1,477,278.15 and 512,427.70 is: 768,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,819.70 : 1,477,278.15 = 512,427.70 : x
  2. Step 2: Convert to fraction form
    984,819.70/1,477,278.15 = 512,427.70/x
  3. Step 3: Cross multiply
    984,819.70x = 1,477,278.15 × 512,427.70
  4. Step 4: Simplify right side
    984,819.70x = 756,998,244,664.76
  5. Step 5: Solve for x
    x = 756,998,244,664.76/984,819.70
  6. Step 6: Final answer
    x = 768,666.84

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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.