Home / 648,223.20-972,043.20-248,731.20

Finding the Fourth Proportional to 648,223.20, 972,043.20 and 248,731.20

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Solution

The fourth proportional to 648,223.20, 972,043.20 and 248,731.20 is: 372,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,223.20 : 972,043.20 = 248,731.20 : x
  2. Step 2: Convert to fraction form
    648,223.20/972,043.20 = 248,731.20/x
  3. Step 3: Cross multiply
    648,223.20x = 972,043.20 × 248,731.20
  4. Step 4: Simplify right side
    648,223.20x = 241,777,471,587.84
  5. Step 5: Solve for x
    x = 241,777,471,587.84/648,223.20
  6. Step 6: Final answer
    x = 372,984.91

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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.