Finding the Fourth Proportional to 698,840.05, 1,048,283.54 and 193,358.74
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Solution
The fourth proportional to 698,840.05, 1,048,283.54 and 193,358.74 is: 290,044.60
Step by Step Solution
- Step 1: Write the proportion equation
698,840.05 : 1,048,283.54 = 193,358.74 : x - Step 2: Convert to fraction form
698,840.05/1,048,283.54 = 193,358.74/x - Step 3: Cross multiply
698,840.05x = 1,048,283.54 × 193,358.74 - Step 4: Simplify right side
698,840.05x = 202,694,784,457.14 - Step 5: Solve for x
x = 202,694,784,457.14/698,840.05 - Step 6: Final answer
x = 290,044.60
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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.