Finding the Fourth Proportional to 413,628.70, 579,867.50 and 413,628.70
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Solution
The fourth proportional to 413,628.70, 579,867.50 and 413,628.70 is: 579,867.50
Step by Step Solution
- Step 1: Write the proportion equation
413,628.70 : 579,867.50 = 413,628.70 : x - Step 2: Convert to fraction form
413,628.70/579,867.50 = 413,628.70/x - Step 3: Cross multiply
413,628.70x = 579,867.50 × 413,628.70 - Step 4: Simplify right side
413,628.70x = 239,849,840,197.25 - Step 5: Solve for x
x = 239,849,840,197.25/413,628.70 - Step 6: Final answer
x = 579,867.50
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.