Home / 828,673.52-1,243,197.29-252,348.35

Finding the Fourth Proportional to 828,673.52, 1,243,197.29 and 252,348.35

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Solution

The fourth proportional to 828,673.52, 1,243,197.29 and 252,348.35 is: 378,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,673.52 : 1,243,197.29 = 252,348.35 : x
  2. Step 2: Convert to fraction form
    828,673.52/1,243,197.29 = 252,348.35/x
  3. Step 3: Cross multiply
    828,673.52x = 1,243,197.29 × 252,348.35
  4. Step 4: Simplify right side
    828,673.52x = 313,718,779,270.86
  5. Step 5: Solve for x
    x = 313,718,779,270.86/828,673.52
  6. Step 6: Final answer
    x = 378,579.47

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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.