Finding the Fourth Proportional to 493,531.28, 740,591.86 and 453,377.96
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Solution
The fourth proportional to 493,531.28, 740,591.86 and 453,377.96 is: 680,337.88
Step by Step Solution
- Step 1: Write the proportion equation
493,531.28 : 740,591.86 = 453,377.96 : x - Step 2: Convert to fraction form
493,531.28/740,591.86 = 453,377.96/x - Step 3: Cross multiply
493,531.28x = 740,591.86 × 453,377.96 - Step 4: Simplify right side
493,531.28x = 335,768,026,679.41 - Step 5: Solve for x
x = 335,768,026,679.41/493,531.28 - Step 6: Final answer
x = 680,337.88
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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.