Finding the Fourth Proportional to 680,586.56, 1,021,027.68 and 207,259.76
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Solution
The fourth proportional to 680,586.56, 1,021,027.68 and 207,259.76 is: 310,934.66
Step by Step Solution
- Step 1: Write the proportion equation
680,586.56 : 1,021,027.68 = 207,259.76 : x - Step 2: Convert to fraction form
680,586.56/1,021,027.68 = 207,259.76/x - Step 3: Cross multiply
680,586.56x = 1,021,027.68 × 207,259.76 - Step 4: Simplify right side
680,586.56x = 211,617,951,910.16 - Step 5: Solve for x
x = 211,617,951,910.16/680,586.56 - Step 6: Final answer
x = 310,934.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.