Home / 907,340.80-1,361,011.20-308,977.60

Finding the Fourth Proportional to 907,340.80, 1,361,011.20 and 308,977.60

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Solution

The fourth proportional to 907,340.80, 1,361,011.20 and 308,977.60 is: 463,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,340.80 : 1,361,011.20 = 308,977.60 : x
  2. Step 2: Convert to fraction form
    907,340.80/1,361,011.20 = 308,977.60/x
  3. Step 3: Cross multiply
    907,340.80x = 1,361,011.20 × 308,977.60
  4. Step 4: Simplify right side
    907,340.80x = 420,521,974,149.12
  5. Step 5: Solve for x
    x = 420,521,974,149.12/907,340.80
  6. Step 6: Final answer
    x = 463,466.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.