Home / 648,048.20-971,780.70-248,556.20

Finding the Fourth Proportional to 648,048.20, 971,780.70 and 248,556.20

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Solution

The fourth proportional to 648,048.20, 971,780.70 and 248,556.20 is: 372,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,048.20 : 971,780.70 = 248,556.20 : x
  2. Step 2: Convert to fraction form
    648,048.20/971,780.70 = 248,556.20/x
  3. Step 3: Cross multiply
    648,048.20x = 971,780.70 × 248,556.20
  4. Step 4: Simplify right side
    648,048.20x = 241,542,118,025.34
  5. Step 5: Solve for x
    x = 241,542,118,025.34/648,048.20
  6. Step 6: Final answer
    x = 372,722.46

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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.