Finding the Fourth Proportional to 808,327.80, 1,212,491.70 and 683,911.80
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Solution
The fourth proportional to 808,327.80, 1,212,491.70 and 683,911.80 is: 1,025,867.70
Step by Step Solution
- Step 1: Write the proportion equation
808,327.80 : 1,212,491.70 = 683,911.80 : x - Step 2: Convert to fraction form
808,327.80/1,212,491.70 = 683,911.80/x - Step 3: Cross multiply
808,327.80x = 1,212,491.70 × 683,911.80 - Step 4: Simplify right side
808,327.80x = 829,237,381,032.06 - Step 5: Solve for x
x = 829,237,381,032.06/808,327.80 - Step 6: Final answer
x = 1,025,867.70
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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.