Home / 1,031,450.38-1,547,186.20-311,797.98

Finding the Fourth Proportional to 1,031,450.38, 1,547,186.20 and 311,797.98

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Solution

The fourth proportional to 1,031,450.38, 1,547,186.20 and 311,797.98 is: 467,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,450.38 : 1,547,186.20 = 311,797.98 : x
  2. Step 2: Convert to fraction form
    1,031,450.38/1,547,186.20 = 311,797.98/x
  3. Step 3: Cross multiply
    1,031,450.38x = 1,547,186.20 × 311,797.98
  4. Step 4: Simplify right side
    1,031,450.38x = 482,409,531,843.88
  5. Step 5: Solve for x
    x = 482,409,531,843.88/1,031,450.38
  6. Step 6: Final answer
    x = 467,700.18

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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.