Home / 669,260.49-923,237.37-427,288.83

Finding the Fourth Proportional to 669,260.49, 923,237.37 and 427,288.83

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Solution

The fourth proportional to 669,260.49, 923,237.37 and 427,288.83 is: 589,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,260.49 : 923,237.37 = 427,288.83 : x
  2. Step 2: Convert to fraction form
    669,260.49/923,237.37 = 427,288.83/x
  3. Step 3: Cross multiply
    669,260.49x = 923,237.37 × 427,288.83
  4. Step 4: Simplify right side
    669,260.49x = 394,489,015,639.58
  5. Step 5: Solve for x
    x = 394,489,015,639.58/669,260.49
  6. Step 6: Final answer
    x = 589,440.17

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1.5x scale

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.