Home / 750,450.22-1,035,623.01-406,289.77

Finding the Fourth Proportional to 750,450.22, 1,035,623.01 and 406,289.77

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Solution

The fourth proportional to 750,450.22, 1,035,623.01 and 406,289.77 is: 560,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,450.22 : 1,035,623.01 = 406,289.77 : x
  2. Step 2: Convert to fraction form
    750,450.22/1,035,623.01 = 406,289.77/x
  3. Step 3: Cross multiply
    750,450.22x = 1,035,623.01 × 406,289.77
  4. Step 4: Simplify right side
    750,450.22x = 420,763,034,539.61
  5. Step 5: Solve for x
    x = 420,763,034,539.61/750,450.22
  6. Step 6: Final answer
    x = 560,680.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.