Finding the Fourth Proportional to 647,296.15, 893,651.40 and 575,477.42
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Solution
The fourth proportional to 647,296.15, 893,651.40 and 575,477.42 is: 794,499.09
Step by Step Solution
- Step 1: Write the proportion equation
647,296.15 : 893,651.40 = 575,477.42 : x - Step 2: Convert to fraction form
647,296.15/893,651.40 = 575,477.42/x - Step 3: Cross multiply
647,296.15x = 893,651.40 × 575,477.42 - Step 4: Simplify right side
647,296.15x = 514,276,197,583.13 - Step 5: Solve for x
x = 514,276,197,583.13/647,296.15 - Step 6: Final answer
x = 794,499.09
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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.