Finding the Fourth Proportional to 979,264.76, 1,351,394.70 and 571,620.92
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Solution
The fourth proportional to 979,264.76, 1,351,394.70 and 571,620.92 is: 788,842.32
Step by Step Solution
- Step 1: Write the proportion equation
979,264.76 : 1,351,394.70 = 571,620.92 : x - Step 2: Convert to fraction form
979,264.76/1,351,394.70 = 571,620.92/x - Step 3: Cross multiply
979,264.76x = 1,351,394.70 × 571,620.92 - Step 4: Simplify right side
979,264.76x = 772,485,481,697.12 - Step 5: Solve for x
x = 772,485,481,697.12/979,264.76 - Step 6: Final answer
x = 788,842.32
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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.