Finding the Fourth Proportional to 626,307.12, 864,528.02 and 371,658.32
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Solution
The fourth proportional to 626,307.12, 864,528.02 and 371,658.32 is: 513,021.52
Step by Step Solution
- Step 1: Write the proportion equation
626,307.12 : 864,528.02 = 371,658.32 : x - Step 2: Convert to fraction form
626,307.12/864,528.02 = 371,658.32/x - Step 3: Cross multiply
626,307.12x = 864,528.02 × 371,658.32 - Step 4: Simplify right side
626,307.12x = 321,309,031,506.13 - Step 5: Solve for x
x = 321,309,031,506.13/626,307.12 - Step 6: Final answer
x = 513,021.52
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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.