Finding the Fourth Proportional to 543,856.33, 750,542.88 and 372,134.31
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Solution
The fourth proportional to 543,856.33, 750,542.88 and 372,134.31 is: 513,559.82
Step by Step Solution
- Step 1: Write the proportion equation
543,856.33 : 750,542.88 = 372,134.31 : x - Step 2: Convert to fraction form
543,856.33/750,542.88 = 372,134.31/x - Step 3: Cross multiply
543,856.33x = 750,542.88 × 372,134.31 - Step 4: Simplify right side
543,856.33x = 279,302,756,774.21 - Step 5: Solve for x
x = 279,302,756,774.21/543,856.33 - Step 6: Final answer
x = 513,559.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.