Home / 774,122.56-1,161,257.28-300,844.48

Finding the Fourth Proportional to 774,122.56, 1,161,257.28 and 300,844.48

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Solution

The fourth proportional to 774,122.56, 1,161,257.28 and 300,844.48 is: 451,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,122.56 : 1,161,257.28 = 300,844.48 : x
  2. Step 2: Convert to fraction form
    774,122.56/1,161,257.28 = 300,844.48/x
  3. Step 3: Cross multiply
    774,122.56x = 1,161,257.28 × 300,844.48
  4. Step 4: Simplify right side
    774,122.56x = 349,357,842,547.81
  5. Step 5: Solve for x
    x = 349,357,842,547.81/774,122.56
  6. Step 6: Final answer
    x = 451,295.26

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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.