Home / 414,531.40-620,922.30-370,208.20

Finding the Fourth Proportional to 414,531.40, 620,922.30 and 370,208.20

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Solution

The fourth proportional to 414,531.40, 620,922.30 and 370,208.20 is: 554,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,531.40 : 620,922.30 = 370,208.20 : x
  2. Step 2: Convert to fraction form
    414,531.40/620,922.30 = 370,208.20/x
  3. Step 3: Cross multiply
    414,531.40x = 620,922.30 × 370,208.20
  4. Step 4: Simplify right side
    414,531.40x = 229,870,527,022.86
  5. Step 5: Solve for x
    x = 229,870,527,022.86/414,531.40
  6. Step 6: Final answer
    x = 554,531.04

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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.