Home / 728,180.40-1,094,603.40-519,265.20

Finding the Fourth Proportional to 728,180.40, 1,094,603.40 and 519,265.20

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Solution

The fourth proportional to 728,180.40, 1,094,603.40 and 519,265.20 is: 780,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,180.40 : 1,094,603.40 = 519,265.20 : x
  2. Step 2: Convert to fraction form
    728,180.40/1,094,603.40 = 519,265.20/x
  3. Step 3: Cross multiply
    728,180.40x = 1,094,603.40 × 519,265.20
  4. Step 4: Simplify right side
    728,180.40x = 568,389,453,421.68
  5. Step 5: Solve for x
    x = 568,389,453,421.68/728,180.40
  6. Step 6: Final answer
    x = 780,561.32

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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.