Home / 928,289.16-1,392,505.02-395,812.98

Finding the Fourth Proportional to 928,289.16, 1,392,505.02 and 395,812.98

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Solution

The fourth proportional to 928,289.16, 1,392,505.02 and 395,812.98 is: 593,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,289.16 : 1,392,505.02 = 395,812.98 : x
  2. Step 2: Convert to fraction form
    928,289.16/1,392,505.02 = 395,812.98/x
  3. Step 3: Cross multiply
    928,289.16x = 1,392,505.02 × 395,812.98
  4. Step 4: Simplify right side
    928,289.16x = 551,171,561,631.16
  5. Step 5: Solve for x
    x = 551,171,561,631.16/928,289.16
  6. Step 6: Final answer
    x = 593,749.86

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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.