Home / 740,209.06-1,110,147.49-340,465.78

Finding the Fourth Proportional to 740,209.06, 1,110,147.49 and 340,465.78

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Solution

The fourth proportional to 740,209.06, 1,110,147.49 and 340,465.78 is: 510,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,209.06 : 1,110,147.49 = 340,465.78 : x
  2. Step 2: Convert to fraction form
    740,209.06/1,110,147.49 = 340,465.78/x
  3. Step 3: Cross multiply
    740,209.06x = 1,110,147.49 × 340,465.78
  4. Step 4: Simplify right side
    740,209.06x = 377,967,231,097.89
  5. Step 5: Solve for x
    x = 377,967,231,097.89/740,209.06
  6. Step 6: Final answer
    x = 510,622.27

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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.