Home / 739,807.43-1,110,294.54-379,963.71

Finding the Fourth Proportional to 739,807.43, 1,110,294.54 and 379,963.71

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Solution

The fourth proportional to 739,807.43, 1,110,294.54 and 379,963.71 is: 570,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,807.43 : 1,110,294.54 = 379,963.71 : x
  2. Step 2: Convert to fraction form
    739,807.43/1,110,294.54 = 379,963.71/x
  3. Step 3: Cross multiply
    739,807.43x = 1,110,294.54 × 379,963.71
  4. Step 4: Simplify right side
    739,807.43x = 421,871,632,611.14
  5. Step 5: Solve for x
    x = 421,871,632,611.14/739,807.43
  6. Step 6: Final answer
    x = 570,245.20

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1.5x scale

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.