Finding the Fourth Proportional to 790,854.70, 1,186,281.50 and 317,539.84
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Solution
The fourth proportional to 790,854.70, 1,186,281.50 and 317,539.84 is: 476,309.54
Step by Step Solution
- Step 1: Write the proportion equation
790,854.70 : 1,186,281.50 = 317,539.84 : x - Step 2: Convert to fraction form
790,854.70/1,186,281.50 = 317,539.84/x - Step 3: Cross multiply
790,854.70x = 1,186,281.50 × 317,539.84 - Step 4: Simplify right side
790,854.70x = 376,691,637,704.96 - Step 5: Solve for x
x = 376,691,637,704.96/790,854.70 - Step 6: Final answer
x = 476,309.54
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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.