Home / 648,404.20-971,915.10-248,890.60

Finding the Fourth Proportional to 648,404.20, 971,915.10 and 248,890.60

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Solution

The fourth proportional to 648,404.20, 971,915.10 and 248,890.60 is: 373,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,404.20 : 971,915.10 = 248,890.60 : x
  2. Step 2: Convert to fraction form
    648,404.20/971,915.10 = 248,890.60/x
  3. Step 3: Cross multiply
    648,404.20x = 971,915.10 × 248,890.60
  4. Step 4: Simplify right side
    648,404.20x = 241,900,532,388.06
  5. Step 5: Solve for x
    x = 241,900,532,388.06/648,404.20
  6. Step 6: Final answer
    x = 373,070.58

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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.