Finding the Fourth Proportional to 632,579.56, 872,873.58 and 377,876.68
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Solution
The fourth proportional to 632,579.56, 872,873.58 and 377,876.68 is: 521,418.32
Step by Step Solution
- Step 1: Write the proportion equation
632,579.56 : 872,873.58 = 377,876.68 : x - Step 2: Convert to fraction form
632,579.56/872,873.58 = 377,876.68/x - Step 3: Cross multiply
632,579.56x = 872,873.58 × 377,876.68 - Step 4: Simplify right side
632,579.56x = 329,838,570,470.11 - Step 5: Solve for x
x = 329,838,570,470.11/632,579.56 - Step 6: Final answer
x = 521,418.32
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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.