Finding the Fourth Proportional to 781,141.08, 1,171,294.84 and 370,378.74
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Solution
The fourth proportional to 781,141.08, 1,171,294.84 and 370,378.74 is: 555,370.49
Step by Step Solution
- Step 1: Write the proportion equation
781,141.08 : 1,171,294.84 = 370,378.74 : x - Step 2: Convert to fraction form
781,141.08/1,171,294.84 = 370,378.74/x - Step 3: Cross multiply
781,141.08x = 1,171,294.84 × 370,378.74 - Step 4: Simplify right side
781,141.08x = 433,822,707,007.70 - Step 5: Solve for x
x = 433,822,707,007.70/781,141.08 - Step 6: Final answer
x = 555,370.49
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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.