Finding the Fourth Proportional to 811,598.96, 1,119,965.58 and 444,068.15
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Solution
The fourth proportional to 811,598.96, 1,119,965.58 and 444,068.15 is: 612,791.61
Step by Step Solution
- Step 1: Write the proportion equation
811,598.96 : 1,119,965.58 = 444,068.15 : x - Step 2: Convert to fraction form
811,598.96/1,119,965.58 = 444,068.15/x - Step 3: Cross multiply
811,598.96x = 1,119,965.58 × 444,068.15 - Step 4: Simplify right side
811,598.96x = 497,341,038,684.62 - Step 5: Solve for x
x = 497,341,038,684.62/811,598.96 - Step 6: Final answer
x = 612,791.61
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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.