Finding the Fourth Proportional to 716,211.10, 988,039.99 and 429,232.96
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Solution
The fourth proportional to 716,211.10, 988,039.99 and 429,232.96 is: 592,142.92
Step by Step Solution
- Step 1: Write the proportion equation
716,211.10 : 988,039.99 = 429,232.96 : x - Step 2: Convert to fraction form
716,211.10/988,039.99 = 429,232.96/x - Step 3: Cross multiply
716,211.10x = 988,039.99 × 429,232.96 - Step 4: Simplify right side
716,211.10x = 424,099,329,506.07 - Step 5: Solve for x
x = 424,099,329,506.07/716,211.10 - Step 6: Final answer
x = 592,142.92
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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.