Home / 867,830.40-1,301,745.60-494,582.40

Finding the Fourth Proportional to 867,830.40, 1,301,745.60 and 494,582.40

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Solution

The fourth proportional to 867,830.40, 1,301,745.60 and 494,582.40 is: 741,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,830.40 : 1,301,745.60 = 494,582.40 : x
  2. Step 2: Convert to fraction form
    867,830.40/1,301,745.60 = 494,582.40/x
  3. Step 3: Cross multiply
    867,830.40x = 1,301,745.60 × 494,582.40
  4. Step 4: Simplify right side
    867,830.40x = 643,820,463,037.44
  5. Step 5: Solve for x
    x = 643,820,463,037.44/867,830.40
  6. Step 6: Final answer
    x = 741,873.60

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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.