Finding the Fourth Proportional to 788,492.84, 1,088,119.94 and 425,916.71
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Solution
The fourth proportional to 788,492.84, 1,088,119.94 and 425,916.71 is: 587,764.96
Step by Step Solution
- Step 1: Write the proportion equation
788,492.84 : 1,088,119.94 = 425,916.71 : x - Step 2: Convert to fraction form
788,492.84/1,088,119.94 = 425,916.71/x - Step 3: Cross multiply
788,492.84x = 1,088,119.94 × 425,916.71 - Step 4: Simplify right side
788,492.84x = 463,448,464,930.20 - Step 5: Solve for x
x = 463,448,464,930.20/788,492.84 - Step 6: Final answer
x = 587,764.96
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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.