Finding the Fourth Proportional to 738,267.67, 1,107,401.55 and 239,631.67
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Solution
The fourth proportional to 738,267.67, 1,107,401.55 and 239,631.67 is: 359,447.52
Step by Step Solution
- Step 1: Write the proportion equation
738,267.67 : 1,107,401.55 = 239,631.67 : x - Step 2: Convert to fraction form
738,267.67/1,107,401.55 = 239,631.67/x - Step 3: Cross multiply
738,267.67x = 1,107,401.55 × 239,631.67 - Step 4: Simplify right side
738,267.67x = 265,368,482,787.09 - Step 5: Solve for x
x = 265,368,482,787.09/738,267.67 - Step 6: Final answer
x = 359,447.52
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1.5x scale
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.