Finding the Fourth Proportional to 709,591.68, 1,064,928.96 and 260,737.92
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Solution
The fourth proportional to 709,591.68, 1,064,928.96 and 260,737.92 is: 391,305.83
Step by Step Solution
- Step 1: Write the proportion equation
709,591.68 : 1,064,928.96 = 260,737.92 : x - Step 2: Convert to fraction form
709,591.68/1,064,928.96 = 260,737.92/x - Step 3: Cross multiply
709,591.68x = 1,064,928.96 × 260,737.92 - Step 4: Simplify right side
709,591.68x = 277,667,361,978.16 - Step 5: Solve for x
x = 277,667,361,978.16/709,591.68 - Step 6: Final answer
x = 391,305.83
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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.