Home / 856,074.54-1,284,470.22-376,054.76

Finding the Fourth Proportional to 856,074.54, 1,284,470.22 and 376,054.76

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Solution

The fourth proportional to 856,074.54, 1,284,470.22 and 376,054.76 is: 564,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,074.54 : 1,284,470.22 = 376,054.76 : x
  2. Step 2: Convert to fraction form
    856,074.54/1,284,470.22 = 376,054.76/x
  3. Step 3: Cross multiply
    856,074.54x = 1,284,470.22 × 376,054.76
  4. Step 4: Simplify right side
    856,074.54x = 483,031,140,309.25
  5. Step 5: Solve for x
    x = 483,031,140,309.25/856,074.54
  6. Step 6: Final answer
    x = 564,239.58

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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.