Finding the Fourth Proportional to 581,621.40, 802,638.86 and 326,974.68
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Solution
The fourth proportional to 581,621.40, 802,638.86 and 326,974.68 is: 451,225.80
Step by Step Solution
- Step 1: Write the proportion equation
581,621.40 : 802,638.86 = 326,974.68 : x - Step 2: Convert to fraction form
581,621.40/802,638.86 = 326,974.68/x - Step 3: Cross multiply
581,621.40x = 802,638.86 × 326,974.68 - Step 4: Simplify right side
581,621.40x = 262,442,584,404.07 - Step 5: Solve for x
x = 262,442,584,404.07/581,621.40 - Step 6: Final answer
x = 451,225.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.