Finding the Fourth Proportional to 708,449.70, 1,062,928.35 and 303,472.02
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Solution
The fourth proportional to 708,449.70, 1,062,928.35 and 303,472.02 is: 455,316.75
Step by Step Solution
- Step 1: Write the proportion equation
708,449.70 : 1,062,928.35 = 303,472.02 : x - Step 2: Convert to fraction form
708,449.70/1,062,928.35 = 303,472.02/x - Step 3: Cross multiply
708,449.70x = 1,062,928.35 × 303,472.02 - Step 4: Simplify right side
708,449.70x = 322,569,013,489.77 - Step 5: Solve for x
x = 322,569,013,489.77/708,449.70 - Step 6: Final answer
x = 455,316.75
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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.