Home / 918,406.19-1,267,415.69-504,960.44

Finding the Fourth Proportional to 918,406.19, 1,267,415.69 and 504,960.44

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Solution

The fourth proportional to 918,406.19, 1,267,415.69 and 504,960.44 is: 696,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,406.19 : 1,267,415.69 = 504,960.44 : x
  2. Step 2: Convert to fraction form
    918,406.19/1,267,415.69 = 504,960.44/x
  3. Step 3: Cross multiply
    918,406.19x = 1,267,415.69 × 504,960.44
  4. Step 4: Simplify right side
    918,406.19x = 639,994,779,410.63
  5. Step 5: Solve for x
    x = 639,994,779,410.63/918,406.19
  6. Step 6: Final answer
    x = 696,853.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.