Finding the Fourth Proportional to 513,944.88, 709,235.36 and 284,497.32
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Solution
The fourth proportional to 513,944.88, 709,235.36 and 284,497.32 is: 392,601.55
Step by Step Solution
- Step 1: Write the proportion equation
513,944.88 : 709,235.36 = 284,497.32 : x - Step 2: Convert to fraction form
513,944.88/709,235.36 = 284,497.32/x - Step 3: Cross multiply
513,944.88x = 709,235.36 × 284,497.32 - Step 4: Simplify right side
513,944.88x = 201,775,557,746.75 - Step 5: Solve for x
x = 201,775,557,746.75/513,944.88 - Step 6: Final answer
x = 392,601.55
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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.