Home / 740,449.25-1,110,207.31-628,168.67

Finding the Fourth Proportional to 740,449.25, 1,110,207.31 and 628,168.67

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Solution

The fourth proportional to 740,449.25, 1,110,207.31 and 628,168.67 is: 941,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,449.25 : 1,110,207.31 = 628,168.67 : x
  2. Step 2: Convert to fraction form
    740,449.25/1,110,207.31 = 628,168.67/x
  3. Step 3: Cross multiply
    740,449.25x = 1,110,207.31 × 628,168.67
  4. Step 4: Simplify right side
    740,449.25x = 697,397,440,655.10
  5. Step 5: Solve for x
    x = 697,397,440,655.10/740,449.25
  6. Step 6: Final answer
    x = 941,857.18

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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.