Home / 446,346.40-670,297.20-314,154.40

Finding the Fourth Proportional to 446,346.40, 670,297.20 and 314,154.40

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Solution

The fourth proportional to 446,346.40, 670,297.20 and 314,154.40 is: 471,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,346.40 : 670,297.20 = 314,154.40 : x
  2. Step 2: Convert to fraction form
    446,346.40/670,297.20 = 314,154.40/x
  3. Step 3: Cross multiply
    446,346.40x = 670,297.20 × 314,154.40
  4. Step 4: Simplify right side
    446,346.40x = 210,576,814,687.68
  5. Step 5: Solve for x
    x = 210,576,814,687.68/446,346.40
  6. Step 6: Final answer
    x = 471,778.90

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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.