Finding the Fourth Proportional to 521,371.49, 719,325.36 and 291,894.98
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Solution
The fourth proportional to 521,371.49, 719,325.36 and 291,894.98 is: 402,721.41
Step by Step Solution
- Step 1: Write the proportion equation
521,371.49 : 719,325.36 = 291,894.98 : x - Step 2: Convert to fraction form
521,371.49/719,325.36 = 291,894.98/x - Step 3: Cross multiply
521,371.49x = 719,325.36 × 291,894.98 - Step 4: Simplify right side
521,371.49x = 209,967,457,974.07 - Step 5: Solve for x
x = 209,967,457,974.07/521,371.49 - Step 6: Final answer
x = 402,721.41
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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.