Finding the Fourth Proportional to 712,845.97, 1,069,285.35 and 239,535.43
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Solution
The fourth proportional to 712,845.97, 1,069,285.35 and 239,535.43 is: 359,308.65
Step by Step Solution
- Step 1: Write the proportion equation
712,845.97 : 1,069,285.35 = 239,535.43 : x - Step 2: Convert to fraction form
712,845.97/1,069,285.35 = 239,535.43/x - Step 3: Cross multiply
712,845.97x = 1,069,285.35 × 239,535.43 - Step 4: Simplify right side
712,845.97x = 256,131,724,330.00 - Step 5: Solve for x
x = 256,131,724,330.00/712,845.97 - Step 6: Final answer
x = 359,308.65
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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.