Finding the Fourth Proportional to 519,670.30, 779,454.42 and 352,265.98
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Solution
The fourth proportional to 519,670.30, 779,454.42 and 352,265.98 is: 528,364.38
Step by Step Solution
- Step 1: Write the proportion equation
519,670.30 : 779,454.42 = 352,265.98 : x - Step 2: Convert to fraction form
519,670.30/779,454.42 = 352,265.98/x - Step 3: Cross multiply
519,670.30x = 779,454.42 × 352,265.98 - Step 4: Simplify right side
519,670.30x = 274,575,275,126.63 - Step 5: Solve for x
x = 274,575,275,126.63/519,670.30 - Step 6: Final answer
x = 528,364.38
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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.