Home / 792,675.68-1,189,137.47-260,075.57

Finding the Fourth Proportional to 792,675.68, 1,189,137.47 and 260,075.57

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Solution

The fourth proportional to 792,675.68, 1,189,137.47 and 260,075.57 is: 390,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,675.68 : 1,189,137.47 = 260,075.57 : x
  2. Step 2: Convert to fraction form
    792,675.68/1,189,137.47 = 260,075.57/x
  3. Step 3: Cross multiply
    792,675.68x = 1,189,137.47 × 260,075.57
  4. Step 4: Simplify right side
    792,675.68x = 309,265,606,991.07
  5. Step 5: Solve for x
    x = 309,265,606,991.07/792,675.68
  6. Step 6: Final answer
    x = 390,154.02

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1.5x scale

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.