Finding the Fourth Proportional to 716,125.04, 988,256.14 and 393,855.74
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Solution
The fourth proportional to 716,125.04, 988,256.14 and 393,855.74 is: 543,522.89
Step by Step Solution
- Step 1: Write the proportion equation
716,125.04 : 988,256.14 = 393,855.74 : x - Step 2: Convert to fraction form
716,125.04/988,256.14 = 393,855.74/x - Step 3: Cross multiply
716,125.04x = 988,256.14 × 393,855.74 - Step 4: Simplify right side
716,125.04x = 389,230,353,329.24 - Step 5: Solve for x
x = 389,230,353,329.24/716,125.04 - Step 6: Final answer
x = 543,522.89
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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.