Home / 828,586.80-1,242,005.40-322,952.40

Finding the Fourth Proportional to 828,586.80, 1,242,005.40 and 322,952.40

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Solution

The fourth proportional to 828,586.80, 1,242,005.40 and 322,952.40 is: 484,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,586.80 : 1,242,005.40 = 322,952.40 : x
  2. Step 2: Convert to fraction form
    828,586.80/1,242,005.40 = 322,952.40/x
  3. Step 3: Cross multiply
    828,586.80x = 1,242,005.40 × 322,952.40
  4. Step 4: Simplify right side
    828,586.80x = 401,108,624,742.96
  5. Step 5: Solve for x
    x = 401,108,624,742.96/828,586.80
  6. Step 6: Final answer
    x = 484,087.64

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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.