Home / 828,239.38-1,242,386.88-229,150.42

Finding the Fourth Proportional to 828,239.38, 1,242,386.88 and 229,150.42

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Solution

The fourth proportional to 828,239.38, 1,242,386.88 and 229,150.42 is: 343,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,239.38 : 1,242,386.88 = 229,150.42 : x
  2. Step 2: Convert to fraction form
    828,239.38/1,242,386.88 = 229,150.42/x
  3. Step 3: Cross multiply
    828,239.38x = 1,242,386.88 × 229,150.42
  4. Step 4: Simplify right side
    828,239.38x = 284,693,475,354.49
  5. Step 5: Solve for x
    x = 284,693,475,354.49/828,239.38
  6. Step 6: Final answer
    x = 343,733.32

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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.