Finding the Fourth Proportional to 880,471.48, 1,215,055.12 and 498,572.68
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Solution
The fourth proportional to 880,471.48, 1,215,055.12 and 498,572.68 is: 688,032.83
Step by Step Solution
- Step 1: Write the proportion equation
880,471.48 : 1,215,055.12 = 498,572.68 : x - Step 2: Convert to fraction form
880,471.48/1,215,055.12 = 498,572.68/x - Step 3: Cross multiply
880,471.48x = 1,215,055.12 × 498,572.68 - Step 4: Simplify right side
880,471.48x = 605,793,287,526.12 - Step 5: Solve for x
x = 605,793,287,526.12/880,471.48 - Step 6: Final answer
x = 688,032.83
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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.