Finding the Fourth Proportional to 420,351.08, 579,932.94 and 323,584.54
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Solution
The fourth proportional to 420,351.08, 579,932.94 and 323,584.54 is: 446,430.00
Step by Step Solution
- Step 1: Write the proportion equation
420,351.08 : 579,932.94 = 323,584.54 : x - Step 2: Convert to fraction form
420,351.08/579,932.94 = 323,584.54/x - Step 3: Cross multiply
420,351.08x = 579,932.94 × 323,584.54 - Step 4: Simplify right side
420,351.08x = 187,657,333,620.75 - Step 5: Solve for x
x = 187,657,333,620.75/420,351.08 - Step 6: Final answer
x = 446,430.00
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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.