Home / 910,237.77-1,364,907.38-278,999.37

Finding the Fourth Proportional to 910,237.77, 1,364,907.38 and 278,999.37

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Solution

The fourth proportional to 910,237.77, 1,364,907.38 and 278,999.37 is: 418,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,237.77 : 1,364,907.38 = 278,999.37 : x
  2. Step 2: Convert to fraction form
    910,237.77/1,364,907.38 = 278,999.37/x
  3. Step 3: Cross multiply
    910,237.77x = 1,364,907.38 × 278,999.37
  4. Step 4: Simplify right side
    910,237.77x = 380,808,297,733.35
  5. Step 5: Solve for x
    x = 380,808,297,733.35/910,237.77
  6. Step 6: Final answer
    x = 418,361.35

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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.