Home / 885,811.80-1,328,501.70-254,659.80

Finding the Fourth Proportional to 885,811.80, 1,328,501.70 and 254,659.80

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Solution

The fourth proportional to 885,811.80, 1,328,501.70 and 254,659.80 is: 381,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,811.80 : 1,328,501.70 = 254,659.80 : x
  2. Step 2: Convert to fraction form
    885,811.80/1,328,501.70 = 254,659.80/x
  3. Step 3: Cross multiply
    885,811.80x = 1,328,501.70 × 254,659.80
  4. Step 4: Simplify right side
    885,811.80x = 338,315,977,221.66
  5. Step 5: Solve for x
    x = 338,315,977,221.66/885,811.80
  6. Step 6: Final answer
    x = 381,927.60

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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.