Home / 3,143,258.80-4,714,756.76-899,396.80

Finding the Fourth Proportional to 3,143,258.80, 4,714,756.76 and 899,396.80

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Solution

The fourth proportional to 3,143,258.80, 4,714,756.76 and 899,396.80 is: 1,349,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,258.80 : 4,714,756.76 = 899,396.80 : x
  2. Step 2: Convert to fraction form
    3,143,258.80/4,714,756.76 = 899,396.80/x
  3. Step 3: Cross multiply
    3,143,258.80x = 4,714,756.76 × 899,396.80
  4. Step 4: Simplify right side
    3,143,258.80x = 4,240,437,142,722.37
  5. Step 5: Solve for x
    x = 4,240,437,142,722.37/3,143,258.80
  6. Step 6: Final answer
    x = 1,349,057.59

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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.