Finding the Fourth Proportional to 790,885.42, 1,186,327.82 and 317,570.63
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Solution
The fourth proportional to 790,885.42, 1,186,327.82 and 317,570.63 is: 476,355.82
Step by Step Solution
- Step 1: Write the proportion equation
790,885.42 : 1,186,327.82 = 317,570.63 : x - Step 2: Convert to fraction form
790,885.42/1,186,327.82 = 317,570.63/x - Step 3: Cross multiply
790,885.42x = 1,186,327.82 × 317,570.63 - Step 4: Simplify right side
790,885.42x = 376,742,868,046.21 - Step 5: Solve for x
x = 376,742,868,046.21/790,885.42 - Step 6: Final answer
x = 476,355.82
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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.