Home / 777,670.25-1,166,964.66-328,362.05

Finding the Fourth Proportional to 777,670.25, 1,166,964.66 and 328,362.05

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Solution

The fourth proportional to 777,670.25, 1,166,964.66 and 328,362.05 is: 492,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,670.25 : 1,166,964.66 = 328,362.05 : x
  2. Step 2: Convert to fraction form
    777,670.25/1,166,964.66 = 328,362.05/x
  3. Step 3: Cross multiply
    777,670.25x = 1,166,964.66 × 328,362.05
  4. Step 4: Simplify right side
    777,670.25x = 383,186,908,035.15
  5. Step 5: Solve for x
    x = 383,186,908,035.15/777,670.25
  6. Step 6: Final answer
    x = 492,737.00

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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.