Finding the Fourth Proportional to 788,607.67, 1,088,336.02 and 439,771.68
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Solution
The fourth proportional to 788,607.67, 1,088,336.02 and 439,771.68 is: 606,916.95
Step by Step Solution
- Step 1: Write the proportion equation
788,607.67 : 1,088,336.02 = 439,771.68 : x - Step 2: Convert to fraction form
788,607.67/1,088,336.02 = 439,771.68/x - Step 3: Cross multiply
788,607.67x = 1,088,336.02 × 439,771.68 - Step 4: Simplify right side
788,607.67x = 478,619,360,881.91 - Step 5: Solve for x
x = 478,619,360,881.91/788,607.67 - Step 6: Final answer
x = 606,916.95
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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.