Finding the Fourth Proportional to 767,827.18, 1,151,248.66 and 318,857.95
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Solution
The fourth proportional to 767,827.18, 1,151,248.66 and 318,857.95 is: 478,082.56
Step by Step Solution
- Step 1: Write the proportion equation
767,827.18 : 1,151,248.66 = 318,857.95 : x - Step 2: Convert to fraction form
767,827.18/1,151,248.66 = 318,857.95/x - Step 3: Cross multiply
767,827.18x = 1,151,248.66 × 318,857.95 - Step 4: Simplify right side
767,827.18x = 367,084,787,667.85 - Step 5: Solve for x
x = 367,084,787,667.85/767,827.18 - Step 6: Final answer
x = 478,082.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.