Finding the Fourth Proportional to 608,972.34, 911,638.58 and 368,358.08
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Solution
The fourth proportional to 608,972.34, 911,638.58 and 368,358.08 is: 551,436.26
Step by Step Solution
- Step 1: Write the proportion equation
608,972.34 : 911,638.58 = 368,358.08 : x - Step 2: Convert to fraction form
608,972.34/911,638.58 = 368,358.08/x - Step 3: Cross multiply
608,972.34x = 911,638.58 × 368,358.08 - Step 4: Simplify right side
608,972.34x = 335,809,430,582.74 - Step 5: Solve for x
x = 335,809,430,582.74/608,972.34 - Step 6: Final answer
x = 551,436.26
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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.