Finding the Fourth Proportional to 781,140.08, 1,171,293.35 and 370,377.74
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Solution
The fourth proportional to 781,140.08, 1,171,293.35 and 370,377.74 is: 555,368.99
Step by Step Solution
- Step 1: Write the proportion equation
781,140.08 : 1,171,293.35 = 370,377.74 : x - Step 2: Convert to fraction form
781,140.08/1,171,293.35 = 370,377.74/x - Step 3: Cross multiply
781,140.08x = 1,171,293.35 × 370,377.74 - Step 4: Simplify right side
781,140.08x = 433,820,976,141.67 - Step 5: Solve for x
x = 433,820,976,141.67/781,140.08 - Step 6: Final answer
x = 555,368.99
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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.