Finding the Fourth Proportional to 815,592.24, 1,125,605.57 and 493,479.95
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Solution
The fourth proportional to 815,592.24, 1,125,605.57 and 493,479.95 is: 681,055.73
Step by Step Solution
- Step 1: Write the proportion equation
815,592.24 : 1,125,605.57 = 493,479.95 : x - Step 2: Convert to fraction form
815,592.24/1,125,605.57 = 493,479.95/x - Step 3: Cross multiply
815,592.24x = 1,125,605.57 × 493,479.95 - Step 4: Simplify right side
815,592.24x = 555,463,772,307.89 - Step 5: Solve for x
x = 555,463,772,307.89/815,592.24 - Step 6: Final answer
x = 681,055.73
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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.