Home / 975,811.20-1,463,716.80-344,788.80

Finding the Fourth Proportional to 975,811.20, 1,463,716.80 and 344,788.80

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Solution

The fourth proportional to 975,811.20, 1,463,716.80 and 344,788.80 is: 517,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,811.20 : 1,463,716.80 = 344,788.80 : x
  2. Step 2: Convert to fraction form
    975,811.20/1,463,716.80 = 344,788.80/x
  3. Step 3: Cross multiply
    975,811.20x = 1,463,716.80 × 344,788.80
  4. Step 4: Simplify right side
    975,811.20x = 504,673,159,011.84
  5. Step 5: Solve for x
    x = 504,673,159,011.84/975,811.20
  6. Step 6: Final answer
    x = 517,183.20

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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.