Finding the Fourth Proportional to 927,643.92, 1,391,990.76 and 395,109.42
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Solution
The fourth proportional to 927,643.92, 1,391,990.76 and 395,109.42 is: 592,887.69
Step by Step Solution
- Step 1: Write the proportion equation
927,643.92 : 1,391,990.76 = 395,109.42 : x - Step 2: Convert to fraction form
927,643.92/1,391,990.76 = 395,109.42/x - Step 3: Cross multiply
927,643.92x = 1,391,990.76 × 395,109.42 - Step 4: Simplify right side
927,643.92x = 549,988,661,828.96 - Step 5: Solve for x
x = 549,988,661,828.96/927,643.92 - Step 6: Final answer
x = 592,887.69
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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.