Home / 828,982.80-1,243,474.20-577,040.40

Finding the Fourth Proportional to 828,982.80, 1,243,474.20 and 577,040.40

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Solution

The fourth proportional to 828,982.80, 1,243,474.20 and 577,040.40 is: 865,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,982.80 : 1,243,474.20 = 577,040.40 : x
  2. Step 2: Convert to fraction form
    828,982.80/1,243,474.20 = 577,040.40/x
  3. Step 3: Cross multiply
    828,982.80x = 1,243,474.20 × 577,040.40
  4. Step 4: Simplify right side
    828,982.80x = 717,534,849,757.68
  5. Step 5: Solve for x
    x = 717,534,849,757.68/828,982.80
  6. Step 6: Final answer
    x = 865,560.60

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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.