Home / 928,164-1,392,032.16-523,533.36

Finding the Fourth Proportional to 928,164, 1,392,032.16 and 523,533.36

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Solution

The fourth proportional to 928,164, 1,392,032.16 and 523,533.36 is: 785,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,164 : 1,392,032.16 = 523,533.36 : x
  2. Step 2: Convert to fraction form
    928,164/1,392,032.16 = 523,533.36/x
  3. Step 3: Cross multiply
    928,164x = 1,392,032.16 × 523,533.36
  4. Step 4: Simplify right side
    928,164x = 728,775,273,952.86
  5. Step 5: Solve for x
    x = 728,775,273,952.86/928,164
  6. Step 6: Final answer
    x = 785,179.42

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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.