Finding the Fourth Proportional to 922,190.48, 1,272,620.40 and 514,292.81
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Solution
The fourth proportional to 922,190.48, 1,272,620.40 and 514,292.81 is: 709,722.70
Step by Step Solution
- Step 1: Write the proportion equation
922,190.48 : 1,272,620.40 = 514,292.81 : x - Step 2: Convert to fraction form
922,190.48/1,272,620.40 = 514,292.81/x - Step 3: Cross multiply
922,190.48x = 1,272,620.40 × 514,292.81 - Step 4: Simplify right side
922,190.48x = 654,499,513,287.62 - Step 5: Solve for x
x = 654,499,513,287.62/922,190.48 - Step 6: Final answer
x = 709,722.70
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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.