Home / 985,556.99-1,478,337.92-275,583.89

Finding the Fourth Proportional to 985,556.99, 1,478,337.92 and 275,583.89

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Solution

The fourth proportional to 985,556.99, 1,478,337.92 and 275,583.89 is: 413,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,556.99 : 1,478,337.92 = 275,583.89 : x
  2. Step 2: Convert to fraction form
    985,556.99/1,478,337.92 = 275,583.89/x
  3. Step 3: Cross multiply
    985,556.99x = 1,478,337.92 × 275,583.89
  4. Step 4: Simplify right side
    985,556.99x = 407,406,105,958.50
  5. Step 5: Solve for x
    x = 407,406,105,958.50/985,556.99
  6. Step 6: Final answer
    x = 413,376.51

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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.