Finding the Fourth Proportional to 705,062.96, 1,056,544.30 and 389,610.08
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Solution
The fourth proportional to 705,062.96, 1,056,544.30 and 389,610.08 is: 583,834.82
Step by Step Solution
- Step 1: Write the proportion equation
705,062.96 : 1,056,544.30 = 389,610.08 : x - Step 2: Convert to fraction form
705,062.96/1,056,544.30 = 389,610.08/x - Step 3: Cross multiply
705,062.96x = 1,056,544.30 × 389,610.08 - Step 4: Simplify right side
705,062.96x = 411,640,309,246.54 - Step 5: Solve for x
x = 411,640,309,246.54/705,062.96 - Step 6: Final answer
x = 583,834.82
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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.