Home / 910,231.21-1,365,110.38-270,384.56

Finding the Fourth Proportional to 910,231.21, 1,365,110.38 and 270,384.56

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Solution

The fourth proportional to 910,231.21, 1,365,110.38 and 270,384.56 is: 405,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,231.21 : 1,365,110.38 = 270,384.56 : x
  2. Step 2: Convert to fraction form
    910,231.21/1,365,110.38 = 270,384.56/x
  3. Step 3: Cross multiply
    910,231.21x = 1,365,110.38 × 270,384.56
  4. Step 4: Simplify right side
    910,231.21x = 369,104,768,079.33
  5. Step 5: Solve for x
    x = 369,104,768,079.33/910,231.21
  6. Step 6: Final answer
    x = 405,506.60

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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.