Finding the Fourth Proportional to 979,003.75, 1,351,110.66 and 571,236.95
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Solution
The fourth proportional to 979,003.75, 1,351,110.66 and 571,236.95 is: 788,356.88
Step by Step Solution
- Step 1: Write the proportion equation
979,003.75 : 1,351,110.66 = 571,236.95 : x - Step 2: Convert to fraction form
979,003.75/1,351,110.66 = 571,236.95/x - Step 3: Cross multiply
979,003.75x = 1,351,110.66 × 571,236.95 - Step 4: Simplify right side
979,003.75x = 771,804,335,908.66 - Step 5: Solve for x
x = 771,804,335,908.66/979,003.75 - Step 6: Final answer
x = 788,356.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.