Home / 900,116.45-1,349,893.05-300,937.88

Finding the Fourth Proportional to 900,116.45, 1,349,893.05 and 300,937.88

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Solution

The fourth proportional to 900,116.45, 1,349,893.05 and 300,937.88 is: 451,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,116.45 : 1,349,893.05 = 300,937.88 : x
  2. Step 2: Convert to fraction form
    900,116.45/1,349,893.05 = 300,937.88/x
  3. Step 3: Cross multiply
    900,116.45x = 1,349,893.05 × 300,937.88
  4. Step 4: Simplify right side
    900,116.45x = 406,233,954,939.95
  5. Step 5: Solve for x
    x = 406,233,954,939.95/900,116.45
  6. Step 6: Final answer
    x = 451,312.67

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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.