Finding the Fourth Proportional to 689,894.92, 1,034,842.74 and 310,372.48
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Solution
The fourth proportional to 689,894.92, 1,034,842.74 and 310,372.48 is: 465,558.88
Step by Step Solution
- Step 1: Write the proportion equation
689,894.92 : 1,034,842.74 = 310,372.48 : x - Step 2: Convert to fraction form
689,894.92/1,034,842.74 = 310,372.48/x - Step 3: Cross multiply
689,894.92x = 1,034,842.74 × 310,372.48 - Step 4: Simplify right side
689,894.92x = 321,186,707,623.80 - Step 5: Solve for x
x = 321,186,707,623.80/689,894.92 - Step 6: Final answer
x = 465,558.88
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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.