Finding the Fourth Proportional to 896,316.66, 1,236,900.99 and 488,422.02
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Solution
The fourth proportional to 896,316.66, 1,236,900.99 and 488,422.02 is: 674,013.67
Step by Step Solution
- Step 1: Write the proportion equation
896,316.66 : 1,236,900.99 = 488,422.02 : x - Step 2: Convert to fraction form
896,316.66/1,236,900.99 = 488,422.02/x - Step 3: Cross multiply
896,316.66x = 1,236,900.99 × 488,422.02 - Step 4: Simplify right side
896,316.66x = 604,129,680,075.80 - Step 5: Solve for x
x = 604,129,680,075.80/896,316.66 - Step 6: Final answer
x = 674,013.67
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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.