Home / 906,378.45-1,359,289.80-299,054.67

Finding the Fourth Proportional to 906,378.45, 1,359,289.80 and 299,054.67

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Solution

The fourth proportional to 906,378.45, 1,359,289.80 and 299,054.67 is: 448,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,378.45 : 1,359,289.80 = 299,054.67 : x
  2. Step 2: Convert to fraction form
    906,378.45/1,359,289.80 = 299,054.67/x
  3. Step 3: Cross multiply
    906,378.45x = 1,359,289.80 × 299,054.67
  4. Step 4: Simplify right side
    906,378.45x = 406,501,962,573.37
  5. Step 5: Solve for x
    x = 406,501,962,573.37/906,378.45
  6. Step 6: Final answer
    x = 448,490.32

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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.