Finding the Fourth Proportional to 743,803.58, 1,026,943.26 and 571,414.52
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Solution
The fourth proportional to 743,803.58, 1,026,943.26 and 571,414.52 is: 788,931.79
Step by Step Solution
- Step 1: Write the proportion equation
743,803.58 : 1,026,943.26 = 571,414.52 : x - Step 2: Convert to fraction form
743,803.58/1,026,943.26 = 571,414.52/x - Step 3: Cross multiply
743,803.58x = 1,026,943.26 × 571,414.52 - Step 4: Simplify right side
743,803.58x = 586,810,289,980.14 - Step 5: Solve for x
x = 586,810,289,980.14/743,803.58 - Step 6: Final answer
x = 788,931.79
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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.