Finding the Fourth Proportional to 632,573.66, 872,925.99 and 378,065.18
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Solution
The fourth proportional to 632,573.66, 872,925.99 and 378,065.18 is: 521,714.61
Step by Step Solution
- Step 1: Write the proportion equation
632,573.66 : 872,925.99 = 378,065.18 : x - Step 2: Convert to fraction form
632,573.66/872,925.99 = 378,065.18/x - Step 3: Cross multiply
632,573.66x = 872,925.99 × 378,065.18 - Step 4: Simplify right side
632,573.66x = 330,022,921,536.03 - Step 5: Solve for x
x = 330,022,921,536.03/632,573.66 - Step 6: Final answer
x = 521,714.61
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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.