Home / 860,133.24-1,289,347.61-403,907.76

Finding the Fourth Proportional to 860,133.24, 1,289,347.61 and 403,907.76

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Solution

The fourth proportional to 860,133.24, 1,289,347.61 and 403,907.76 is: 605,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,133.24 : 1,289,347.61 = 403,907.76 : x
  2. Step 2: Convert to fraction form
    860,133.24/1,289,347.61 = 403,907.76/x
  3. Step 3: Cross multiply
    860,133.24x = 1,289,347.61 × 403,907.76
  4. Step 4: Simplify right side
    860,133.24x = 520,777,505,016.45
  5. Step 5: Solve for x
    x = 520,777,505,016.45/860,133.24
  6. Step 6: Final answer
    x = 605,461.43

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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.