Home / 786,395.89-1,179,399.43-337,065.80

Finding the Fourth Proportional to 786,395.89, 1,179,399.43 and 337,065.80

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Solution

The fourth proportional to 786,395.89, 1,179,399.43 and 337,065.80 is: 505,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,395.89 : 1,179,399.43 = 337,065.80 : x
  2. Step 2: Convert to fraction form
    786,395.89/1,179,399.43 = 337,065.80/x
  3. Step 3: Cross multiply
    786,395.89x = 1,179,399.43 × 337,065.80
  4. Step 4: Simplify right side
    786,395.89x = 397,535,210,707.17
  5. Step 5: Solve for x
    x = 397,535,210,707.17/786,395.89
  6. Step 6: Final answer
    x = 505,515.38

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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.