Finding the Fourth Proportional to 519,116.18, 716,370.45 and 292,761.62
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Solution
The fourth proportional to 519,116.18, 716,370.45 and 292,761.62 is: 404,005.46
Step by Step Solution
- Step 1: Write the proportion equation
519,116.18 : 716,370.45 = 292,761.62 : x - Step 2: Convert to fraction form
519,116.18/716,370.45 = 292,761.62/x - Step 3: Cross multiply
519,116.18x = 716,370.45 × 292,761.62 - Step 4: Simplify right side
519,116.18x = 209,725,773,462.13 - Step 5: Solve for x
x = 209,725,773,462.13/519,116.18 - Step 6: Final answer
x = 404,005.46
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1.5x scale
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.