Home / 828,956.60-1,242,513.30-355,561.40

Finding the Fourth Proportional to 828,956.60, 1,242,513.30 and 355,561.40

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Solution

The fourth proportional to 828,956.60, 1,242,513.30 and 355,561.40 is: 532,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,956.60 : 1,242,513.30 = 355,561.40 : x
  2. Step 2: Convert to fraction form
    828,956.60/1,242,513.30 = 355,561.40/x
  3. Step 3: Cross multiply
    828,956.60x = 1,242,513.30 × 355,561.40
  4. Step 4: Simplify right side
    828,956.60x = 441,789,768,466.62
  5. Step 5: Solve for x
    x = 441,789,768,466.62/828,956.60
  6. Step 6: Final answer
    x = 532,946.80

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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.