Home / 828,113.12-1,242,432.14-295,622.36

Finding the Fourth Proportional to 828,113.12, 1,242,432.14 and 295,622.36

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Solution

The fourth proportional to 828,113.12, 1,242,432.14 and 295,622.36 is: 443,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,113.12 : 1,242,432.14 = 295,622.36 : x
  2. Step 2: Convert to fraction form
    828,113.12/1,242,432.14 = 295,622.36/x
  3. Step 3: Cross multiply
    828,113.12x = 1,242,432.14 × 295,622.36
  4. Step 4: Simplify right side
    828,113.12x = 367,290,721,366.65
  5. Step 5: Solve for x
    x = 367,290,721,366.65/828,113.12
  6. Step 6: Final answer
    x = 443,527.23

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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.