Home / 774,466.79-1,161,249.12-300,598.56

Finding the Fourth Proportional to 774,466.79, 1,161,249.12 and 300,598.56

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Solution

The fourth proportional to 774,466.79, 1,161,249.12 and 300,598.56 is: 450,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,466.79 : 1,161,249.12 = 300,598.56 : x
  2. Step 2: Convert to fraction form
    774,466.79/1,161,249.12 = 300,598.56/x
  3. Step 3: Cross multiply
    774,466.79x = 1,161,249.12 × 300,598.56
  4. Step 4: Simplify right side
    774,466.79x = 349,069,813,273.27
  5. Step 5: Solve for x
    x = 349,069,813,273.27/774,466.79
  6. Step 6: Final answer
    x = 450,722.77

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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.