Finding the Fourth Proportional to 649,008.63, 895,613.05 and 358,615.57
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Solution
The fourth proportional to 649,008.63, 895,613.05 and 358,615.57 is: 494,879.07
Step by Step Solution
- Step 1: Write the proportion equation
649,008.63 : 895,613.05 = 358,615.57 : x - Step 2: Convert to fraction form
649,008.63/895,613.05 = 358,615.57/x - Step 3: Cross multiply
649,008.63x = 895,613.05 × 358,615.57 - Step 4: Simplify right side
649,008.63x = 321,180,784,425.19 - Step 5: Solve for x
x = 321,180,784,425.19/649,008.63 - Step 6: Final answer
x = 494,879.07
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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.