Home / 729,078.40-1,093,617.60-463,139.20

Finding the Fourth Proportional to 729,078.40, 1,093,617.60 and 463,139.20

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Solution

The fourth proportional to 729,078.40, 1,093,617.60 and 463,139.20 is: 694,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,078.40 : 1,093,617.60 = 463,139.20 : x
  2. Step 2: Convert to fraction form
    729,078.40/1,093,617.60 = 463,139.20/x
  3. Step 3: Cross multiply
    729,078.40x = 1,093,617.60 × 463,139.20
  4. Step 4: Simplify right side
    729,078.40x = 506,497,180,369.92
  5. Step 5: Solve for x
    x = 506,497,180,369.92/729,078.40
  6. Step 6: Final answer
    x = 694,708.80

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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.