Finding the Fourth Proportional to 859,803.88, 1,186,161.30 and 536,953.48
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Solution
The fourth proportional to 859,803.88, 1,186,161.30 and 536,953.48 is: 740,765.95
Step by Step Solution
- Step 1: Write the proportion equation
859,803.88 : 1,186,161.30 = 536,953.48 : x - Step 2: Convert to fraction form
859,803.88/1,186,161.30 = 536,953.48/x - Step 3: Cross multiply
859,803.88x = 1,186,161.30 × 536,953.48 - Step 4: Simplify right side
859,803.88x = 636,913,437,876.32 - Step 5: Solve for x
x = 636,913,437,876.32/859,803.88 - Step 6: Final answer
x = 740,765.95
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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.