Home / 734,640.94-1,102,386.84-308,138.77

Finding the Fourth Proportional to 734,640.94, 1,102,386.84 and 308,138.77

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Solution

The fourth proportional to 734,640.94, 1,102,386.84 and 308,138.77 is: 462,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,640.94 : 1,102,386.84 = 308,138.77 : x
  2. Step 2: Convert to fraction form
    734,640.94/1,102,386.84 = 308,138.77/x
  3. Step 3: Cross multiply
    734,640.94x = 1,102,386.84 × 308,138.77
  4. Step 4: Simplify right side
    734,640.94x = 339,688,124,941.79
  5. Step 5: Solve for x
    x = 339,688,124,941.79/734,640.94
  6. Step 6: Final answer
    x = 462,386.60

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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.