Home / 824,354.38-1,236,990.84-445,266.82

Finding the Fourth Proportional to 824,354.38, 1,236,990.84 and 445,266.82

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Solution

The fourth proportional to 824,354.38, 1,236,990.84 and 445,266.82 is: 668,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,354.38 : 1,236,990.84 = 445,266.82 : x
  2. Step 2: Convert to fraction form
    824,354.38/1,236,990.84 = 445,266.82/x
  3. Step 3: Cross multiply
    824,354.38x = 1,236,990.84 × 445,266.82
  4. Step 4: Simplify right side
    824,354.38x = 550,790,977,695.93
  5. Step 5: Solve for x
    x = 550,790,977,695.93/824,354.38
  6. Step 6: Final answer
    x = 668,148.30

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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.