Home / 756,040.74-1,133,881.93-216,280.36

Finding the Fourth Proportional to 756,040.74, 1,133,881.93 and 216,280.36

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Solution

The fourth proportional to 756,040.74, 1,133,881.93 and 216,280.36 is: 324,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,040.74 : 1,133,881.93 = 216,280.36 : x
  2. Step 2: Convert to fraction form
    756,040.74/1,133,881.93 = 216,280.36/x
  3. Step 3: Cross multiply
    756,040.74x = 1,133,881.93 × 216,280.36
  4. Step 4: Simplify right side
    756,040.74x = 245,236,392,017.90
  5. Step 5: Solve for x
    x = 245,236,392,017.90/756,040.74
  6. Step 6: Final answer
    x = 324,369.28

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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.