Home / 774,168.12-1,161,325.26-300,889.80

Finding the Fourth Proportional to 774,168.12, 1,161,325.26 and 300,889.80

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Solution

The fourth proportional to 774,168.12, 1,161,325.26 and 300,889.80 is: 451,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,168.12 : 1,161,325.26 = 300,889.80 : x
  2. Step 2: Convert to fraction form
    774,168.12/1,161,325.26 = 300,889.80/x
  3. Step 3: Cross multiply
    774,168.12x = 1,161,325.26 × 300,889.80
  4. Step 4: Simplify right side
    774,168.12x = 349,430,925,216.35
  5. Step 5: Solve for x
    x = 349,430,925,216.35/774,168.12
  6. Step 6: Final answer
    x = 451,363.10

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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.