Home / 698,860.80-1,048,291.20-325,612.80

Finding the Fourth Proportional to 698,860.80, 1,048,291.20 and 325,612.80

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Solution

The fourth proportional to 698,860.80, 1,048,291.20 and 325,612.80 is: 488,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,860.80 : 1,048,291.20 = 325,612.80 : x
  2. Step 2: Convert to fraction form
    698,860.80/1,048,291.20 = 325,612.80/x
  3. Step 3: Cross multiply
    698,860.80x = 1,048,291.20 × 325,612.80
  4. Step 4: Simplify right side
    698,860.80x = 341,337,032,847.36
  5. Step 5: Solve for x
    x = 341,337,032,847.36/698,860.80
  6. Step 6: Final answer
    x = 488,419.20

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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.