Home / 907,251.45-1,361,041.20-456,838.80

Finding the Fourth Proportional to 907,251.45, 1,361,041.20 and 456,838.80

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Solution

The fourth proportional to 907,251.45, 1,361,041.20 and 456,838.80 is: 685,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,251.45 : 1,361,041.20 = 456,838.80 : x
  2. Step 2: Convert to fraction form
    907,251.45/1,361,041.20 = 456,838.80/x
  3. Step 3: Cross multiply
    907,251.45x = 1,361,041.20 × 456,838.80
  4. Step 4: Simplify right side
    907,251.45x = 621,776,428,558.56
  5. Step 5: Solve for x
    x = 621,776,428,558.56/907,251.45
  6. Step 6: Final answer
    x = 685,340.79

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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.