Home / 792,719.08-1,189,075.37-287,161.68

Finding the Fourth Proportional to 792,719.08, 1,189,075.37 and 287,161.68

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Solution

The fourth proportional to 792,719.08, 1,189,075.37 and 287,161.68 is: 430,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,719.08 : 1,189,075.37 = 287,161.68 : x
  2. Step 2: Convert to fraction form
    792,719.08/1,189,075.37 = 287,161.68/x
  3. Step 3: Cross multiply
    792,719.08x = 1,189,075.37 × 287,161.68
  4. Step 4: Simplify right side
    792,719.08x = 341,456,880,895.82
  5. Step 5: Solve for x
    x = 341,456,880,895.82/792,719.08
  6. Step 6: Final answer
    x = 430,741.34

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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.