Home / 910,239.77-1,364,910.37-279,001.37

Finding the Fourth Proportional to 910,239.77, 1,364,910.37 and 279,001.37

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Solution

The fourth proportional to 910,239.77, 1,364,910.37 and 279,001.37 is: 418,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,239.77 : 1,364,910.37 = 279,001.37 : x
  2. Step 2: Convert to fraction form
    910,239.77/1,364,910.37 = 279,001.37/x
  3. Step 3: Cross multiply
    910,239.77x = 1,364,910.37 × 279,001.37
  4. Step 4: Simplify right side
    910,239.77x = 380,811,863,157.21
  5. Step 5: Solve for x
    x = 380,811,863,157.21/910,239.77
  6. Step 6: Final answer
    x = 418,364.34

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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.