Finding the Fourth Proportional to 883,724.09, 1,219,677.75 and 521,187.80
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Solution
The fourth proportional to 883,724.09, 1,219,677.75 and 521,187.80 is: 719,320.85
Step by Step Solution
- Step 1: Write the proportion equation
883,724.09 : 1,219,677.75 = 521,187.80 : x - Step 2: Convert to fraction form
883,724.09/1,219,677.75 = 521,187.80/x - Step 3: Cross multiply
883,724.09x = 1,219,677.75 × 521,187.80 - Step 4: Simplify right side
883,724.09x = 635,681,157,133.06 - Step 5: Solve for x
x = 635,681,157,133.06/883,724.09 - Step 6: Final answer
x = 719,320.85
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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.