Home / 771,433.83-1,157,226.84-265,928.22

Finding the Fourth Proportional to 771,433.83, 1,157,226.84 and 265,928.22

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Solution

The fourth proportional to 771,433.83, 1,157,226.84 and 265,928.22 is: 398,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,433.83 : 1,157,226.84 = 265,928.22 : x
  2. Step 2: Convert to fraction form
    771,433.83/1,157,226.84 = 265,928.22/x
  3. Step 3: Cross multiply
    771,433.83x = 1,157,226.84 × 265,928.22
  4. Step 4: Simplify right side
    771,433.83x = 307,739,273,697.43
  5. Step 5: Solve for x
    x = 307,739,273,697.43/771,433.83
  6. Step 6: Final answer
    x = 398,918.56

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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.