Home / 651,469.80-977,156.10-272,292.60

Finding the Fourth Proportional to 651,469.80, 977,156.10 and 272,292.60

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Solution

The fourth proportional to 651,469.80, 977,156.10 and 272,292.60 is: 408,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,469.80 : 977,156.10 = 272,292.60 : x
  2. Step 2: Convert to fraction form
    651,469.80/977,156.10 = 272,292.60/x
  3. Step 3: Cross multiply
    651,469.80x = 977,156.10 × 272,292.60
  4. Step 4: Simplify right side
    651,469.80x = 266,072,375,074.86
  5. Step 5: Solve for x
    x = 266,072,375,074.86/651,469.80
  6. Step 6: Final answer
    x = 408,418.59

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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.