Finding the Fourth Proportional to 891,802.62, 1,337,381.12 and 379,501.92
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Solution
The fourth proportional to 891,802.62, 1,337,381.12 and 379,501.92 is: 569,115.51
Step by Step Solution
- Step 1: Write the proportion equation
891,802.62 : 1,337,381.12 = 379,501.92 : x - Step 2: Convert to fraction form
891,802.62/1,337,381.12 = 379,501.92/x - Step 3: Cross multiply
891,802.62x = 1,337,381.12 × 379,501.92 - Step 4: Simplify right side
891,802.62x = 507,538,702,811.75 - Step 5: Solve for x
x = 507,538,702,811.75/891,802.62 - Step 6: Final answer
x = 569,115.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.