Home / 714,782.94-1,071,936.54-288,208.59

Finding the Fourth Proportional to 714,782.94, 1,071,936.54 and 288,208.59

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Solution

The fourth proportional to 714,782.94, 1,071,936.54 and 288,208.59 is: 432,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,782.94 : 1,071,936.54 = 288,208.59 : x
  2. Step 2: Convert to fraction form
    714,782.94/1,071,936.54 = 288,208.59/x
  3. Step 3: Cross multiply
    714,782.94x = 1,071,936.54 × 288,208.59
  4. Step 4: Simplify right side
    714,782.94x = 308,941,318,762.88
  5. Step 5: Solve for x
    x = 308,941,318,762.88/714,782.94
  6. Step 6: Final answer
    x = 432,216.97

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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.