Finding the Fourth Proportional to 841,564.14, 1,161,362.79 and 459,590.91
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Solution
The fourth proportional to 841,564.14, 1,161,362.79 and 459,590.91 is: 634,237.79
Step by Step Solution
- Step 1: Write the proportion equation
841,564.14 : 1,161,362.79 = 459,590.91 : x - Step 2: Convert to fraction form
841,564.14/1,161,362.79 = 459,590.91/x - Step 3: Cross multiply
841,564.14x = 1,161,362.79 × 459,590.91 - Step 4: Simplify right side
841,564.14x = 533,751,781,496.24 - Step 5: Solve for x
x = 533,751,781,496.24/841,564.14 - Step 6: Final answer
x = 634,237.79
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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.