Finding the Fourth Proportional to 493,531.40, 740,592.05 and 453,378.08
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Solution
The fourth proportional to 493,531.40, 740,592.05 and 453,378.08 is: 680,338.07
Step by Step Solution
- Step 1: Write the proportion equation
493,531.40 : 740,592.05 = 453,378.08 : x - Step 2: Convert to fraction form
493,531.40/740,592.05 = 453,378.08/x - Step 3: Cross multiply
493,531.40x = 740,592.05 × 453,378.08 - Step 4: Simplify right side
493,531.40x = 335,768,201,276.85 - Step 5: Solve for x
x = 335,768,201,276.85/493,531.40 - Step 6: Final answer
x = 680,338.07
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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.