Finding the Fourth Proportional to 698,518.52, 1,046,901.26 and 298,689.13
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Solution
The fourth proportional to 698,518.52, 1,046,901.26 and 298,689.13 is: 447,658.89
Step by Step Solution
- Step 1: Write the proportion equation
698,518.52 : 1,046,901.26 = 298,689.13 : x - Step 2: Convert to fraction form
698,518.52/1,046,901.26 = 298,689.13/x - Step 3: Cross multiply
698,518.52x = 1,046,901.26 × 298,689.13 - Step 4: Simplify right side
698,518.52x = 312,698,024,674.77 - Step 5: Solve for x
x = 312,698,024,674.77/698,518.52 - Step 6: Final answer
x = 447,658.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.