Finding the Fourth Proportional to 984,318.72, 1,357,735.68 and 621,108.24
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Solution
The fourth proportional to 984,318.72, 1,357,735.68 and 621,108.24 is: 856,735.53
Step by Step Solution
- Step 1: Write the proportion equation
984,318.72 : 1,357,735.68 = 621,108.24 : x - Step 2: Convert to fraction form
984,318.72/1,357,735.68 = 621,108.24/x - Step 3: Cross multiply
984,318.72x = 1,357,735.68 × 621,108.24 - Step 4: Simplify right side
984,318.72x = 843,300,818,590.00 - Step 5: Solve for x
x = 843,300,818,590.00/984,318.72 - Step 6: Final answer
x = 856,735.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.