Home / 880,462.85-1,320,977.69-400,862.30

Finding the Fourth Proportional to 880,462.85, 1,320,977.69 and 400,862.30

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Solution

The fourth proportional to 880,462.85, 1,320,977.69 and 400,862.30 is: 601,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,462.85 : 1,320,977.69 = 400,862.30 : x
  2. Step 2: Convert to fraction form
    880,462.85/1,320,977.69 = 400,862.30/x
  3. Step 3: Cross multiply
    880,462.85x = 1,320,977.69 × 400,862.30
  4. Step 4: Simplify right side
    880,462.85x = 529,530,153,057.78
  5. Step 5: Solve for x
    x = 529,530,153,057.78/880,462.85
  6. Step 6: Final answer
    x = 601,422.48

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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.