Home / 722,812.68-1,082,746.44-342,580.86

Finding the Fourth Proportional to 722,812.68, 1,082,746.44 and 342,580.86

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Solution

The fourth proportional to 722,812.68, 1,082,746.44 and 342,580.86 is: 513,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,812.68 : 1,082,746.44 = 342,580.86 : x
  2. Step 2: Convert to fraction form
    722,812.68/1,082,746.44 = 342,580.86/x
  3. Step 3: Cross multiply
    722,812.68x = 1,082,746.44 × 342,580.86
  4. Step 4: Simplify right side
    722,812.68x = 370,928,206,577.14
  5. Step 5: Solve for x
    x = 370,928,206,577.14/722,812.68
  6. Step 6: Final answer
    x = 513,173.35

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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.