Finding the Fourth Proportional to 632,855.12, 873,762.95 and 374,815.08
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Solution
The fourth proportional to 632,855.12, 873,762.95 and 374,815.08 is: 517,495.27
Step by Step Solution
- Step 1: Write the proportion equation
632,855.12 : 873,762.95 = 374,815.08 : x - Step 2: Convert to fraction form
632,855.12/873,762.95 = 374,815.08/x - Step 3: Cross multiply
632,855.12x = 873,762.95 × 374,815.08 - Step 4: Simplify right side
632,855.12x = 327,499,528,131.21 - Step 5: Solve for x
x = 327,499,528,131.21/632,855.12 - Step 6: Final answer
x = 517,495.27
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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.