Finding the Fourth Proportional to 608,095.74, 912,292.26 and 428,531.42
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Solution
The fourth proportional to 608,095.74, 912,292.26 and 428,531.42 is: 642,901.89
Step by Step Solution
- Step 1: Write the proportion equation
608,095.74 : 912,292.26 = 428,531.42 : x - Step 2: Convert to fraction form
608,095.74/912,292.26 = 428,531.42/x - Step 3: Cross multiply
608,095.74x = 912,292.26 × 428,531.42 - Step 4: Simplify right side
608,095.74x = 390,945,897,632.81 - Step 5: Solve for x
x = 390,945,897,632.81/608,095.74 - Step 6: Final answer
x = 642,901.89
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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.