Home / 903,106.58-1,353,711.61-303,859.72

Finding the Fourth Proportional to 903,106.58, 1,353,711.61 and 303,859.72

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Solution

The fourth proportional to 903,106.58, 1,353,711.61 and 303,859.72 is: 455,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,106.58 : 1,353,711.61 = 303,859.72 : x
  2. Step 2: Convert to fraction form
    903,106.58/1,353,711.61 = 303,859.72/x
  3. Step 3: Cross multiply
    903,106.58x = 1,353,711.61 × 303,859.72
  4. Step 4: Simplify right side
    903,106.58x = 411,338,422,487.49
  5. Step 5: Solve for x
    x = 411,338,422,487.49/903,106.58
  6. Step 6: Final answer
    x = 455,470.52

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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.