Home / 828,326.86-1,242,351.89-229,348.56

Finding the Fourth Proportional to 828,326.86, 1,242,351.89 and 229,348.56

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Solution

The fourth proportional to 828,326.86, 1,242,351.89 and 229,348.56 is: 343,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,326.86 : 1,242,351.89 = 229,348.56 : x
  2. Step 2: Convert to fraction form
    828,326.86/1,242,351.89 = 229,348.56/x
  3. Step 3: Cross multiply
    828,326.86x = 1,242,351.89 × 229,348.56
  4. Step 4: Simplify right side
    828,326.86x = 284,931,616,984.78
  5. Step 5: Solve for x
    x = 284,931,616,984.78/828,326.86
  6. Step 6: Final answer
    x = 343,984.52

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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.