Home / 828,783.70-1,243,052.36-229,682.40

Finding the Fourth Proportional to 828,783.70, 1,243,052.36 and 229,682.40

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Solution

The fourth proportional to 828,783.70, 1,243,052.36 and 229,682.40 is: 344,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,783.70 : 1,243,052.36 = 229,682.40 : x
  2. Step 2: Convert to fraction form
    828,783.70/1,243,052.36 = 229,682.40/x
  3. Step 3: Cross multiply
    828,783.70x = 1,243,052.36 × 229,682.40
  4. Step 4: Simplify right side
    828,783.70x = 285,507,249,370.46
  5. Step 5: Solve for x
    x = 285,507,249,370.46/828,783.70
  6. Step 6: Final answer
    x = 344,489.46

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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.