Home / 907,789.70-1,361,684.55-603,359.30

Finding the Fourth Proportional to 907,789.70, 1,361,684.55 and 603,359.30

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Solution

The fourth proportional to 907,789.70, 1,361,684.55 and 603,359.30 is: 905,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,789.70 : 1,361,684.55 = 603,359.30 : x
  2. Step 2: Convert to fraction form
    907,789.70/1,361,684.55 = 603,359.30/x
  3. Step 3: Cross multiply
    907,789.70x = 1,361,684.55 × 603,359.30
  4. Step 4: Simplify right side
    907,789.70x = 821,585,036,908.82
  5. Step 5: Solve for x
    x = 821,585,036,908.82/907,789.70
  6. Step 6: Final answer
    x = 905,038.95

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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.