Home / 469,782.14-648,028.23-299,824.70

Finding the Fourth Proportional to 469,782.14, 648,028.23 and 299,824.70

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Solution

The fourth proportional to 469,782.14, 648,028.23 and 299,824.70 is: 413,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,782.14 : 648,028.23 = 299,824.70 : x
  2. Step 2: Convert to fraction form
    469,782.14/648,028.23 = 299,824.70/x
  3. Step 3: Cross multiply
    469,782.14x = 648,028.23 × 299,824.70
  4. Step 4: Simplify right side
    469,782.14x = 194,294,869,651.28
  5. Step 5: Solve for x
    x = 194,294,869,651.28/469,782.14
  6. Step 6: Final answer
    x = 413,585.05

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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.