Finding the Fourth Proportional to 809,327.70, 1,214,975.70 and 409,762.80
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Solution
The fourth proportional to 809,327.70, 1,214,975.70 and 409,762.80 is: 615,142.48
Step by Step Solution
- Step 1: Write the proportion equation
809,327.70 : 1,214,975.70 = 409,762.80 : x - Step 2: Convert to fraction form
809,327.70/1,214,975.70 = 409,762.80/x - Step 3: Cross multiply
809,327.70x = 1,214,975.70 × 409,762.80 - Step 4: Simplify right side
809,327.70x = 497,851,844,763.96 - Step 5: Solve for x
x = 497,851,844,763.96/809,327.70 - Step 6: Final answer
x = 615,142.48
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1.5x scale
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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.