Home / 648,414.20-971,930.10-248,900.60

Finding the Fourth Proportional to 648,414.20, 971,930.10 and 248,900.60

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Solution

The fourth proportional to 648,414.20, 971,930.10 and 248,900.60 is: 373,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,414.20 : 971,930.10 = 248,900.60 : x
  2. Step 2: Convert to fraction form
    648,414.20/971,930.10 = 248,900.60/x
  3. Step 3: Cross multiply
    648,414.20x = 971,930.10 × 248,900.60
  4. Step 4: Simplify right side
    648,414.20x = 241,913,985,048.06
  5. Step 5: Solve for x
    x = 241,913,985,048.06/648,414.20
  6. Step 6: Final answer
    x = 373,085.58

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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.