Home / 907,362.40-1,361,043.60-809,384.80

Finding the Fourth Proportional to 907,362.40, 1,361,043.60 and 809,384.80

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Solution

The fourth proportional to 907,362.40, 1,361,043.60 and 809,384.80 is: 1,214,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,362.40 : 1,361,043.60 = 809,384.80 : x
  2. Step 2: Convert to fraction form
    907,362.40/1,361,043.60 = 809,384.80/x
  3. Step 3: Cross multiply
    907,362.40x = 1,361,043.60 × 809,384.80
  4. Step 4: Simplify right side
    907,362.40x = 1,101,608,001,977.28
  5. Step 5: Solve for x
    x = 1,101,608,001,977.28/907,362.40
  6. Step 6: Final answer
    x = 1,214,077.20

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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.