Finding the Fourth Proportional to 698,840.18, 1,048,283.73 and 193,358.87
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Solution
The fourth proportional to 698,840.18, 1,048,283.73 and 193,358.87 is: 290,044.79
Step by Step Solution
- Step 1: Write the proportion equation
698,840.18 : 1,048,283.73 = 193,358.87 : x - Step 2: Convert to fraction form
698,840.18/1,048,283.73 = 193,358.87/x - Step 3: Cross multiply
698,840.18x = 1,048,283.73 × 193,358.87 - Step 4: Simplify right side
698,840.18x = 202,694,956,161.83 - Step 5: Solve for x
x = 202,694,956,161.83/698,840.18 - Step 6: Final answer
x = 290,044.79
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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.