Home / 930,301.20-1,395,840.60-299,408.40

Finding the Fourth Proportional to 930,301.20, 1,395,840.60 and 299,408.40

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Solution

The fourth proportional to 930,301.20, 1,395,840.60 and 299,408.40 is: 449,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,301.20 : 1,395,840.60 = 299,408.40 : x
  2. Step 2: Convert to fraction form
    930,301.20/1,395,840.60 = 299,408.40/x
  3. Step 3: Cross multiply
    930,301.20x = 1,395,840.60 × 299,408.40
  4. Step 4: Simplify right side
    930,301.20x = 417,926,400,701.04
  5. Step 5: Solve for x
    x = 417,926,400,701.04/930,301.20
  6. Step 6: Final answer
    x = 449,237.73

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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.