Finding the Fourth Proportional to 639,336.02, 882,285.58 and 348,950.26
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Solution
The fourth proportional to 639,336.02, 882,285.58 and 348,950.26 is: 481,552.38
Step by Step Solution
- Step 1: Write the proportion equation
639,336.02 : 882,285.58 = 348,950.26 : x - Step 2: Convert to fraction form
639,336.02/882,285.58 = 348,950.26/x - Step 3: Cross multiply
639,336.02x = 882,285.58 × 348,950.26 - Step 4: Simplify right side
639,336.02x = 307,873,782,535.25 - Step 5: Solve for x
x = 307,873,782,535.25/639,336.02 - Step 6: Final answer
x = 481,552.38
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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.