Home / 1,031,447.12-1,547,181.32-311,794.73

Finding the Fourth Proportional to 1,031,447.12, 1,547,181.32 and 311,794.73

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Solution

The fourth proportional to 1,031,447.12, 1,547,181.32 and 311,794.73 is: 467,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,447.12 : 1,547,181.32 = 311,794.73 : x
  2. Step 2: Convert to fraction form
    1,031,447.12/1,547,181.32 = 311,794.73/x
  3. Step 3: Cross multiply
    1,031,447.12x = 1,547,181.32 × 311,794.73
  4. Step 4: Simplify right side
    1,031,447.12x = 482,402,972,635.56
  5. Step 5: Solve for x
    x = 482,402,972,635.56/1,031,447.12
  6. Step 6: Final answer
    x = 467,695.30

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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.