Home / 506,941.94-699,571.41-280,582.58

Finding the Fourth Proportional to 506,941.94, 699,571.41 and 280,582.58

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Solution

The fourth proportional to 506,941.94, 699,571.41 and 280,582.58 is: 387,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,941.94 : 699,571.41 = 280,582.58 : x
  2. Step 2: Convert to fraction form
    506,941.94/699,571.41 = 280,582.58/x
  3. Step 3: Cross multiply
    506,941.94x = 699,571.41 × 280,582.58
  4. Step 4: Simplify right side
    506,941.94x = 196,287,551,112.04
  5. Step 5: Solve for x
    x = 196,287,551,112.04/506,941.94
  6. Step 6: Final answer
    x = 387,199.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.