Home / 910,247.04-1,364,921.24-279,008.64

Finding the Fourth Proportional to 910,247.04, 1,364,921.24 and 279,008.64

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Solution

The fourth proportional to 910,247.04, 1,364,921.24 and 279,008.64 is: 418,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,247.04 : 1,364,921.24 = 279,008.64 : x
  2. Step 2: Convert to fraction form
    910,247.04/1,364,921.24 = 279,008.64/x
  3. Step 3: Cross multiply
    910,247.04x = 1,364,921.24 × 279,008.64
  4. Step 4: Simplify right side
    910,247.04x = 380,824,818,879.51
  5. Step 5: Solve for x
    x = 380,824,818,879.51/910,247.04
  6. Step 6: Final answer
    x = 418,375.23

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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.