Finding the Fourth Proportional to 815,432.48, 1,125,334.24 and 452,858
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Solution
The fourth proportional to 815,432.48, 1,125,334.24 and 452,858 is: 624,964.82
Step by Step Solution
- Step 1: Write the proportion equation
815,432.48 : 1,125,334.24 = 452,858 : x - Step 2: Convert to fraction form
815,432.48/1,125,334.24 = 452,858/x - Step 3: Cross multiply
815,432.48x = 1,125,334.24 × 452,858 - Step 4: Simplify right side
815,432.48x = 509,616,613,257.92 - Step 5: Solve for x
x = 509,616,613,257.92/815,432.48 - Step 6: Final answer
x = 624,964.82
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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.