Home / 766,027.91-1,147,488.74-355,119.66

Finding the Fourth Proportional to 766,027.91, 1,147,488.74 and 355,119.66

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Solution

The fourth proportional to 766,027.91, 1,147,488.74 and 355,119.66 is: 531,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,027.91 : 1,147,488.74 = 355,119.66 : x
  2. Step 2: Convert to fraction form
    766,027.91/1,147,488.74 = 355,119.66/x
  3. Step 3: Cross multiply
    766,027.91x = 1,147,488.74 × 355,119.66
  4. Step 4: Simplify right side
    766,027.91x = 407,495,809,427.03
  5. Step 5: Solve for x
    x = 407,495,809,427.03/766,027.91
  6. Step 6: Final answer
    x = 531,959.48

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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.