Home / 774,796.94-1,158,796.04-690,005.75

Finding the Fourth Proportional to 774,796.94, 1,158,796.04 and 690,005.75

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Solution

The fourth proportional to 774,796.94, 1,158,796.04 and 690,005.75 is: 1,031,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,796.94 : 1,158,796.04 = 690,005.75 : x
  2. Step 2: Convert to fraction form
    774,796.94/1,158,796.04 = 690,005.75/x
  3. Step 3: Cross multiply
    774,796.94x = 1,158,796.04 × 690,005.75
  4. Step 4: Simplify right side
    774,796.94x = 799,575,921,433.22
  5. Step 5: Solve for x
    x = 799,575,921,433.22/774,796.94
  6. Step 6: Final answer
    x = 1,031,981.27

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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.