Finding the Fourth Proportional to 626,533.74, 864,617.40 and 340,053.75
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Solution
The fourth proportional to 626,533.74, 864,617.40 and 340,053.75 is: 469,274.63
Step by Step Solution
- Step 1: Write the proportion equation
626,533.74 : 864,617.40 = 340,053.75 : x - Step 2: Convert to fraction form
626,533.74/864,617.40 = 340,053.75/x - Step 3: Cross multiply
626,533.74x = 864,617.40 × 340,053.75 - Step 4: Simplify right side
626,533.74x = 294,016,389,185.25 - Step 5: Solve for x
x = 294,016,389,185.25/626,533.74 - Step 6: Final answer
x = 469,274.63
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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.