Finding the Fourth Proportional to 778,473, 1,168,233.57 and 273,038.67
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Solution
The fourth proportional to 778,473, 1,168,233.57 and 273,038.67 is: 409,741.82
Step by Step Solution
- Step 1: Write the proportion equation
778,473 : 1,168,233.57 = 273,038.67 : x - Step 2: Convert to fraction form
778,473/1,168,233.57 = 273,038.67/x - Step 3: Cross multiply
778,473x = 1,168,233.57 × 273,038.67 - Step 4: Simplify right side
778,473x = 318,972,940,202.15 - Step 5: Solve for x
x = 318,972,940,202.15/778,473 - Step 6: Final answer
x = 409,741.82
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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.