Home / 768,589.18-1,152,112.21-262,804.25

Finding the Fourth Proportional to 768,589.18, 1,152,112.21 and 262,804.25

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Solution

The fourth proportional to 768,589.18, 1,152,112.21 and 262,804.25 is: 393,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,589.18 : 1,152,112.21 = 262,804.25 : x
  2. Step 2: Convert to fraction form
    768,589.18/1,152,112.21 = 262,804.25/x
  3. Step 3: Cross multiply
    768,589.18x = 1,152,112.21 × 262,804.25
  4. Step 4: Simplify right side
    768,589.18x = 302,779,989,545.53
  5. Step 5: Solve for x
    x = 302,779,989,545.53/768,589.18
  6. Step 6: Final answer
    x = 393,942.56

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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.