Home / 823,064.40-1,234,063.80-349,621.20

Finding the Fourth Proportional to 823,064.40, 1,234,063.80 and 349,621.20

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Solution

The fourth proportional to 823,064.40, 1,234,063.80 and 349,621.20 is: 524,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,064.40 : 1,234,063.80 = 349,621.20 : x
  2. Step 2: Convert to fraction form
    823,064.40/1,234,063.80 = 349,621.20/x
  3. Step 3: Cross multiply
    823,064.40x = 1,234,063.80 × 349,621.20
  4. Step 4: Simplify right side
    823,064.40x = 431,454,866,632.56
  5. Step 5: Solve for x
    x = 431,454,866,632.56/823,064.40
  6. Step 6: Final answer
    x = 524,205.48

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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.