Finding the Fourth Proportional to 887,414.12, 1,224,728.78 and 514,959.09
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Solution
The fourth proportional to 887,414.12, 1,224,728.78 and 514,959.09 is: 710,700.00
Step by Step Solution
- Step 1: Write the proportion equation
887,414.12 : 1,224,728.78 = 514,959.09 : x - Step 2: Convert to fraction form
887,414.12/1,224,728.78 = 514,959.09/x - Step 3: Cross multiply
887,414.12x = 1,224,728.78 × 514,959.09 - Step 4: Simplify right side
887,414.12x = 630,685,215,947.24 - Step 5: Solve for x
x = 630,685,215,947.24/887,414.12 - Step 6: Final answer
x = 710,700.00
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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.