Home / 846,933.55-1,270,132.59-278,221.21

Finding the Fourth Proportional to 846,933.55, 1,270,132.59 and 278,221.21

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Solution

The fourth proportional to 846,933.55, 1,270,132.59 and 278,221.21 is: 417,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,933.55 : 1,270,132.59 = 278,221.21 : x
  2. Step 2: Convert to fraction form
    846,933.55/1,270,132.59 = 278,221.21/x
  3. Step 3: Cross multiply
    846,933.55x = 1,270,132.59 × 278,221.21
  4. Step 4: Simplify right side
    846,933.55x = 353,377,826,050.23
  5. Step 5: Solve for x
    x = 353,377,826,050.23/846,933.55
  6. Step 6: Final answer
    x = 417,243.86

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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.