Finding the Fourth Proportional to 1,026,770.17, 1,539,591.50 and 316,601.05
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Solution
The fourth proportional to 1,026,770.17, 1,539,591.50 and 316,601.05 is: 474,727.74
Step by Step Solution
- Step 1: Write the proportion equation
1,026,770.17 : 1,539,591.50 = 316,601.05 : x - Step 2: Convert to fraction form
1,026,770.17/1,539,591.50 = 316,601.05/x - Step 3: Cross multiply
1,026,770.17x = 1,539,591.50 × 316,601.05 - Step 4: Simplify right side
1,026,770.17x = 487,436,283,888.07 - Step 5: Solve for x
x = 487,436,283,888.07/1,026,770.17 - Step 6: Final answer
x = 474,727.74
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1.5x scale
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.