Home / 885,771.80-1,328,528.10-254,619.80

Finding the Fourth Proportional to 885,771.80, 1,328,528.10 and 254,619.80

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Solution

The fourth proportional to 885,771.80, 1,328,528.10 and 254,619.80 is: 381,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,771.80 : 1,328,528.10 = 254,619.80 : x
  2. Step 2: Convert to fraction form
    885,771.80/1,328,528.10 = 254,619.80/x
  3. Step 3: Cross multiply
    885,771.80x = 1,328,528.10 × 254,619.80
  4. Step 4: Simplify right side
    885,771.80x = 338,269,559,116.38
  5. Step 5: Solve for x
    x = 338,269,559,116.38/885,771.80
  6. Step 6: Final answer
    x = 381,892.45

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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.