Home / 918,077.85-1,266,942.60-504,624.15

Finding the Fourth Proportional to 918,077.85, 1,266,942.60 and 504,624.15

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Solution

The fourth proportional to 918,077.85, 1,266,942.60 and 504,624.15 is: 696,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,077.85 : 1,266,942.60 = 504,624.15 : x
  2. Step 2: Convert to fraction form
    918,077.85/1,266,942.60 = 504,624.15/x
  3. Step 3: Cross multiply
    918,077.85x = 1,266,942.60 × 504,624.15
  4. Step 4: Simplify right side
    918,077.85x = 639,329,832,623.79
  5. Step 5: Solve for x
    x = 639,329,832,623.79/918,077.85
  6. Step 6: Final answer
    x = 696,378.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.