Finding the Fourth Proportional to 493,538.41, 740,602.55 and 453,385.09
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Solution
The fourth proportional to 493,538.41, 740,602.55 and 453,385.09 is: 680,348.57
Step by Step Solution
- Step 1: Write the proportion equation
493,538.41 : 740,602.55 = 453,385.09 : x - Step 2: Convert to fraction form
493,538.41/740,602.55 = 453,385.09/x - Step 3: Cross multiply
493,538.41x = 740,602.55 × 453,385.09 - Step 4: Simplify right side
493,538.41x = 335,778,153,785.98 - Step 5: Solve for x
x = 335,778,153,785.98/493,538.41 - Step 6: Final answer
x = 680,348.57
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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.