Home / 747,782.55-1,120,868.03-362,716.05

Finding the Fourth Proportional to 747,782.55, 1,120,868.03 and 362,716.05

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Solution

The fourth proportional to 747,782.55, 1,120,868.03 and 362,716.05 is: 543,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,782.55 : 1,120,868.03 = 362,716.05 : x
  2. Step 2: Convert to fraction form
    747,782.55/1,120,868.03 = 362,716.05/x
  3. Step 3: Cross multiply
    747,782.55x = 1,120,868.03 × 362,716.05
  4. Step 4: Simplify right side
    747,782.55x = 406,556,822,599.30
  5. Step 5: Solve for x
    x = 406,556,822,599.30/747,782.55
  6. Step 6: Final answer
    x = 543,683.22

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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.