Home / 777,289.90-1,165,934.94-303,643.12

Finding the Fourth Proportional to 777,289.90, 1,165,934.94 and 303,643.12

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Solution

The fourth proportional to 777,289.90, 1,165,934.94 and 303,643.12 is: 455,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,289.90 : 1,165,934.94 = 303,643.12 : x
  2. Step 2: Convert to fraction form
    777,289.90/1,165,934.94 = 303,643.12/x
  3. Step 3: Cross multiply
    777,289.90x = 1,165,934.94 × 303,643.12
  4. Step 4: Simplify right side
    777,289.90x = 354,028,122,898.61
  5. Step 5: Solve for x
    x = 354,028,122,898.61/777,289.90
  6. Step 6: Final answer
    x = 455,464.72

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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.