Home / 789,972.80-1,184,959.20-346,740.80

Finding the Fourth Proportional to 789,972.80, 1,184,959.20 and 346,740.80

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Solution

The fourth proportional to 789,972.80, 1,184,959.20 and 346,740.80 is: 520,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,972.80 : 1,184,959.20 = 346,740.80 : x
  2. Step 2: Convert to fraction form
    789,972.80/1,184,959.20 = 346,740.80/x
  3. Step 3: Cross multiply
    789,972.80x = 1,184,959.20 × 346,740.80
  4. Step 4: Simplify right side
    789,972.80x = 410,873,700,975.36
  5. Step 5: Solve for x
    x = 410,873,700,975.36/789,972.80
  6. Step 6: Final answer
    x = 520,111.20

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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.