Home / 379,923.40-524,740.44-303,706.45

Finding the Fourth Proportional to 379,923.40, 524,740.44 and 303,706.45

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Solution

The fourth proportional to 379,923.40, 524,740.44 and 303,706.45 is: 419,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,923.40 : 524,740.44 = 303,706.45 : x
  2. Step 2: Convert to fraction form
    379,923.40/524,740.44 = 303,706.45/x
  3. Step 3: Cross multiply
    379,923.40x = 524,740.44 × 303,706.45
  4. Step 4: Simplify right side
    379,923.40x = 159,367,056,203.84
  5. Step 5: Solve for x
    x = 159,367,056,203.84/379,923.40
  6. Step 6: Final answer
    x = 419,471.55

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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.