Home / 714,764.45-1,071,908.84-288,190.10

Finding the Fourth Proportional to 714,764.45, 1,071,908.84 and 288,190.10

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Solution

The fourth proportional to 714,764.45, 1,071,908.84 and 288,190.10 is: 432,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,764.45 : 1,071,908.84 = 288,190.10 : x
  2. Step 2: Convert to fraction form
    714,764.45/1,071,908.84 = 288,190.10/x
  3. Step 3: Cross multiply
    714,764.45x = 1,071,908.84 × 288,190.10
  4. Step 4: Simplify right side
    714,764.45x = 308,913,519,190.73
  5. Step 5: Solve for x
    x = 308,913,519,190.73/714,764.45
  6. Step 6: Final answer
    x = 432,189.26

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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.