Home / 469,824.49-648,358.19-254,964.55

Finding the Fourth Proportional to 469,824.49, 648,358.19 and 254,964.55

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Solution

The fourth proportional to 469,824.49, 648,358.19 and 254,964.55 is: 351,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,824.49 : 648,358.19 = 254,964.55 : x
  2. Step 2: Convert to fraction form
    469,824.49/648,358.19 = 254,964.55/x
  3. Step 3: Cross multiply
    469,824.49x = 648,358.19 × 254,964.55
  4. Step 4: Simplify right side
    469,824.49x = 165,308,352,877.34
  5. Step 5: Solve for x
    x = 165,308,352,877.34/469,824.49
  6. Step 6: Final answer
    x = 351,851.29

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1.5x scale

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.