Home / 774,165.12-1,160,949.12-300,788.16

Finding the Fourth Proportional to 774,165.12, 1,160,949.12 and 300,788.16

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Solution

The fourth proportional to 774,165.12, 1,160,949.12 and 300,788.16 is: 451,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,165.12 : 1,160,949.12 = 300,788.16 : x
  2. Step 2: Convert to fraction form
    774,165.12/1,160,949.12 = 300,788.16/x
  3. Step 3: Cross multiply
    774,165.12x = 1,160,949.12 × 300,788.16
  4. Step 4: Simplify right side
    774,165.12x = 349,199,749,658.42
  5. Step 5: Solve for x
    x = 349,199,749,658.42/774,165.12
  6. Step 6: Final answer
    x = 451,066.24

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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.