Home / 648,001.20-971,310.60-248,487.60

Finding the Fourth Proportional to 648,001.20, 971,310.60 and 248,487.60

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Solution

The fourth proportional to 648,001.20, 971,310.60 and 248,487.60 is: 372,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.20 : 971,310.60 = 248,487.60 : x
  2. Step 2: Convert to fraction form
    648,001.20/971,310.60 = 248,487.60/x
  3. Step 3: Cross multiply
    648,001.20x = 971,310.60 × 248,487.60
  4. Step 4: Simplify right side
    648,001.20x = 241,358,639,848.56
  5. Step 5: Solve for x
    x = 241,358,639,848.56/648,001.20
  6. Step 6: Final answer
    x = 372,466.35

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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.