Finding the Fourth Proportional to 896,393.99, 1,236,979.64 and 488,494.59
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Solution
The fourth proportional to 896,393.99, 1,236,979.64 and 488,494.59 is: 674,098.52
Step by Step Solution
- Step 1: Write the proportion equation
896,393.99 : 1,236,979.64 = 488,494.59 : x - Step 2: Convert to fraction form
896,393.99/1,236,979.64 = 488,494.59/x - Step 3: Cross multiply
896,393.99x = 1,236,979.64 × 488,494.59 - Step 4: Simplify right side
896,393.99x = 604,257,859,637.68 - Step 5: Solve for x
x = 604,257,859,637.68/896,393.99 - Step 6: Final answer
x = 674,098.52
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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.