Finding the Fourth Proportional to 896,394.99, 1,236,981.01 and 488,495.59
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Solution
The fourth proportional to 896,394.99, 1,236,981.01 and 488,495.59 is: 674,099.89
Step by Step Solution
- Step 1: Write the proportion equation
896,394.99 : 1,236,981.01 = 488,495.59 : x - Step 2: Convert to fraction form
896,394.99/1,236,981.01 = 488,495.59/x - Step 3: Cross multiply
896,394.99x = 1,236,981.01 × 488,495.59 - Step 4: Simplify right side
896,394.99x = 604,259,768,298.75 - Step 5: Solve for x
x = 604,259,768,298.75/896,394.99 - Step 6: Final answer
x = 674,099.89
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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.