Home / 837,210.56-1,255,859.40-276,288.80

Finding the Fourth Proportional to 837,210.56, 1,255,859.40 and 276,288.80

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Solution

The fourth proportional to 837,210.56, 1,255,859.40 and 276,288.80 is: 414,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,210.56 : 1,255,859.40 = 276,288.80 : x
  2. Step 2: Convert to fraction form
    837,210.56/1,255,859.40 = 276,288.80/x
  3. Step 3: Cross multiply
    837,210.56x = 1,255,859.40 × 276,288.80
  4. Step 4: Simplify right side
    837,210.56x = 346,979,886,594.72
  5. Step 5: Solve for x
    x = 346,979,886,594.72/837,210.56
  6. Step 6: Final answer
    x = 414,447.58

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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.