Finding the Fourth Proportional to 651,613.01, 899,225.96 and 396,963.99
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Solution
The fourth proportional to 651,613.01, 899,225.96 and 396,963.99 is: 547,810.31
Step by Step Solution
- Step 1: Write the proportion equation
651,613.01 : 899,225.96 = 396,963.99 : x - Step 2: Convert to fraction form
651,613.01/899,225.96 = 396,963.99/x - Step 3: Cross multiply
651,613.01x = 899,225.96 × 396,963.99 - Step 4: Simplify right side
651,613.01x = 356,960,323,008.36 - Step 5: Solve for x
x = 356,960,323,008.36/651,613.01 - Step 6: Final answer
x = 547,810.31
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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.