Finding the Fourth Proportional to 626,602.40, 864,715.68 and 340,122.48
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Solution
The fourth proportional to 626,602.40, 864,715.68 and 340,122.48 is: 469,371.39
Step by Step Solution
- Step 1: Write the proportion equation
626,602.40 : 864,715.68 = 340,122.48 : x - Step 2: Convert to fraction form
626,602.40/864,715.68 = 340,122.48/x - Step 3: Cross multiply
626,602.40x = 864,715.68 × 340,122.48 - Step 4: Simplify right side
626,602.40x = 294,109,241,576.49 - Step 5: Solve for x
x = 294,109,241,576.49/626,602.40 - Step 6: Final answer
x = 469,371.39
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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.