Finding the Fourth Proportional to 859,763.97, 1,186,380.08 and 497,132.96
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Solution
The fourth proportional to 859,763.97, 1,186,380.08 and 497,132.96 is: 685,989.01
Step by Step Solution
- Step 1: Write the proportion equation
859,763.97 : 1,186,380.08 = 497,132.96 : x - Step 2: Convert to fraction form
859,763.97/1,186,380.08 = 497,132.96/x - Step 3: Cross multiply
859,763.97x = 1,186,380.08 × 497,132.96 - Step 4: Simplify right side
859,763.97x = 589,788,632,437.87 - Step 5: Solve for x
x = 589,788,632,437.87/859,763.97 - Step 6: Final answer
x = 685,989.01
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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.