Finding the Fourth Proportional to 716,445.99, 988,836.75 and 410,727.60
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Solution
The fourth proportional to 716,445.99, 988,836.75 and 410,727.60 is: 566,885.08
Step by Step Solution
- Step 1: Write the proportion equation
716,445.99 : 988,836.75 = 410,727.60 : x - Step 2: Convert to fraction form
716,445.99/988,836.75 = 410,727.60/x - Step 3: Cross multiply
716,445.99x = 988,836.75 × 410,727.60 - Step 4: Simplify right side
716,445.99x = 406,142,545,119.30 - Step 5: Solve for x
x = 406,142,545,119.30/716,445.99 - Step 6: Final answer
x = 566,885.08
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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.