Home / 651,940.20-977,132.70-272,860.20

Finding the Fourth Proportional to 651,940.20, 977,132.70 and 272,860.20

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Solution

The fourth proportional to 651,940.20, 977,132.70 and 272,860.20 is: 408,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,940.20 : 977,132.70 = 272,860.20 : x
  2. Step 2: Convert to fraction form
    651,940.20/977,132.70 = 272,860.20/x
  3. Step 3: Cross multiply
    651,940.20x = 977,132.70 × 272,860.20
  4. Step 4: Simplify right side
    651,940.20x = 266,620,623,948.54
  5. Step 5: Solve for x
    x = 266,620,623,948.54/651,940.20
  6. Step 6: Final answer
    x = 408,964.85

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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.