Finding the Fourth Proportional to 586,864.12, 880,623.26 and 316,986.81
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Solution
The fourth proportional to 586,864.12, 880,623.26 and 316,986.81 is: 475,656.88
Step by Step Solution
- Step 1: Write the proportion equation
586,864.12 : 880,623.26 = 316,986.81 : x - Step 2: Convert to fraction form
586,864.12/880,623.26 = 316,986.81/x - Step 3: Cross multiply
586,864.12x = 880,623.26 × 316,986.81 - Step 4: Simplify right side
586,864.12x = 279,145,957,999.20 - Step 5: Solve for x
x = 279,145,957,999.20/586,864.12 - Step 6: Final answer
x = 475,656.88
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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.