Finding the Fourth Proportional to 519,397.88, 716,781.14 and 325,813.75
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Solution
The fourth proportional to 519,397.88, 716,781.14 and 325,813.75 is: 449,630.55
Step by Step Solution
- Step 1: Write the proportion equation
519,397.88 : 716,781.14 = 325,813.75 : x - Step 2: Convert to fraction form
519,397.88/716,781.14 = 325,813.75/x - Step 3: Cross multiply
519,397.88x = 716,781.14 × 325,813.75 - Step 4: Simplify right side
519,397.88x = 233,537,152,581.64 - Step 5: Solve for x
x = 233,537,152,581.64/519,397.88 - Step 6: Final answer
x = 449,630.55
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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.