Finding the Fourth Proportional to 698,985.93, 1,046,797.26 and 398,555.70
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Solution
The fourth proportional to 698,985.93, 1,046,797.26 and 398,555.70 is: 596,874.70
Step by Step Solution
- Step 1: Write the proportion equation
698,985.93 : 1,046,797.26 = 398,555.70 : x - Step 2: Convert to fraction form
698,985.93/1,046,797.26 = 398,555.70/x - Step 3: Cross multiply
698,985.93x = 1,046,797.26 × 398,555.70 - Step 4: Simplify right side
698,985.93x = 417,207,014,717.38 - Step 5: Solve for x
x = 417,207,014,717.38/698,985.93 - Step 6: Final answer
x = 596,874.70
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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.