Finding the Fourth Proportional to 698,051.70, 1,047,226.35 and 398,675.70
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Solution
The fourth proportional to 698,051.70, 1,047,226.35 and 398,675.70 is: 598,098.53
Step by Step Solution
- Step 1: Write the proportion equation
698,051.70 : 1,047,226.35 = 398,675.70 : x - Step 2: Convert to fraction form
698,051.70/1,047,226.35 = 398,675.70/x - Step 3: Cross multiply
698,051.70x = 1,047,226.35 × 398,675.70 - Step 4: Simplify right side
698,051.70x = 417,503,698,144.70 - Step 5: Solve for x
x = 417,503,698,144.70/698,051.70 - Step 6: Final answer
x = 598,098.53
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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.