Finding the Fourth Proportional to 506,782.32, 759,373.26 and 411,549.09
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Solution
The fourth proportional to 506,782.32, 759,373.26 and 411,549.09 is: 616,673.79
Step by Step Solution
- Step 1: Write the proportion equation
506,782.32 : 759,373.26 = 411,549.09 : x - Step 2: Convert to fraction form
506,782.32/759,373.26 = 411,549.09/x - Step 3: Cross multiply
506,782.32x = 759,373.26 × 411,549.09 - Step 4: Simplify right side
506,782.32x = 312,519,374,123.33 - Step 5: Solve for x
x = 312,519,374,123.33/506,782.32 - Step 6: Final answer
x = 616,673.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.