Home / 773,980.60-1,161,181.30-324,465.40

Finding the Fourth Proportional to 773,980.60, 1,161,181.30 and 324,465.40

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Solution

The fourth proportional to 773,980.60, 1,161,181.30 and 324,465.40 is: 486,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,980.60 : 1,161,181.30 = 324,465.40 : x
  2. Step 2: Convert to fraction form
    773,980.60/1,161,181.30 = 324,465.40/x
  3. Step 3: Cross multiply
    773,980.60x = 1,161,181.30 × 324,465.40
  4. Step 4: Simplify right side
    773,980.60x = 376,763,154,977.02
  5. Step 5: Solve for x
    x = 376,763,154,977.02/773,980.60
  6. Step 6: Final answer
    x = 486,786.30

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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.