Home / 648,421.20-971,940.60-248,907.60

Finding the Fourth Proportional to 648,421.20, 971,940.60 and 248,907.60

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Solution

The fourth proportional to 648,421.20, 971,940.60 and 248,907.60 is: 373,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,421.20 : 971,940.60 = 248,907.60 : x
  2. Step 2: Convert to fraction form
    648,421.20/971,940.60 = 248,907.60/x
  3. Step 3: Cross multiply
    648,421.20x = 971,940.60 × 248,907.60
  4. Step 4: Simplify right side
    648,421.20x = 241,923,402,088.56
  5. Step 5: Solve for x
    x = 241,923,402,088.56/648,421.20
  6. Step 6: Final answer
    x = 373,096.07

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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.