Home / 828,335.40-1,242,364.67-229,357.10

Finding the Fourth Proportional to 828,335.40, 1,242,364.67 and 229,357.10

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Solution

The fourth proportional to 828,335.40, 1,242,364.67 and 229,357.10 is: 343,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,335.40 : 1,242,364.67 = 229,357.10 : x
  2. Step 2: Convert to fraction form
    828,335.40/1,242,364.67 = 229,357.10/x
  3. Step 3: Cross multiply
    828,335.40x = 1,242,364.67 × 229,357.10
  4. Step 4: Simplify right side
    828,335.40x = 284,945,157,853.66
  5. Step 5: Solve for x
    x = 284,945,157,853.66/828,335.40
  6. Step 6: Final answer
    x = 343,997.32

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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.