Finding the Fourth Proportional to 788,830.70, 1,183,246.05 and 490,232.30
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Solution
The fourth proportional to 788,830.70, 1,183,246.05 and 490,232.30 is: 735,348.45
Step by Step Solution
- Step 1: Write the proportion equation
788,830.70 : 1,183,246.05 = 490,232.30 : x - Step 2: Convert to fraction form
788,830.70/1,183,246.05 = 490,232.30/x - Step 3: Cross multiply
788,830.70x = 1,183,246.05 × 490,232.30 - Step 4: Simplify right side
788,830.70x = 580,065,432,557.42 - Step 5: Solve for x
x = 580,065,432,557.42/788,830.70 - Step 6: Final answer
x = 735,348.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.