Finding the Fourth Proportional to 922,186.76, 1,272,615.28 and 514,289.08
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Solution
The fourth proportional to 922,186.76, 1,272,615.28 and 514,289.08 is: 709,717.56
Step by Step Solution
- Step 1: Write the proportion equation
922,186.76 : 1,272,615.28 = 514,289.08 : x - Step 2: Convert to fraction form
922,186.76/1,272,615.28 = 514,289.08/x - Step 3: Cross multiply
922,186.76x = 1,272,615.28 × 514,289.08 - Step 4: Simplify right side
922,186.76x = 654,492,141,545.14 - Step 5: Solve for x
x = 654,492,141,545.14/922,186.76 - Step 6: Final answer
x = 709,717.56
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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.