Finding the Fourth Proportional to 722,717.08, 997,381.52 and 400,427.08
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Solution
The fourth proportional to 722,717.08, 997,381.52 and 400,427.08 is: 552,607.07
Step by Step Solution
- Step 1: Write the proportion equation
722,717.08 : 997,381.52 = 400,427.08 : x - Step 2: Convert to fraction form
722,717.08/997,381.52 = 400,427.08/x - Step 3: Cross multiply
722,717.08x = 997,381.52 × 400,427.08 - Step 4: Simplify right side
722,717.08x = 399,378,569,699.56 - Step 5: Solve for x
x = 399,378,569,699.56/722,717.08 - Step 6: Final answer
x = 552,607.07
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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.