Home / 789,989.76-1,185,373.44-369,204.48

Finding the Fourth Proportional to 789,989.76, 1,185,373.44 and 369,204.48

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Solution

The fourth proportional to 789,989.76, 1,185,373.44 and 369,204.48 is: 553,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,989.76 : 1,185,373.44 = 369,204.48 : x
  2. Step 2: Convert to fraction form
    789,989.76/1,185,373.44 = 369,204.48/x
  3. Step 3: Cross multiply
    789,989.76x = 1,185,373.44 × 369,204.48
  4. Step 4: Simplify right side
    789,989.76x = 437,645,184,521.01
  5. Step 5: Solve for x
    x = 437,645,184,521.01/789,989.76
  6. Step 6: Final answer
    x = 553,988.43

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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.