Finding the Fourth Proportional to 636,485.92, 878,373.12 and 350,027.80
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Solution
The fourth proportional to 636,485.92, 878,373.12 and 350,027.80 is: 483,050.77
Step by Step Solution
- Step 1: Write the proportion equation
636,485.92 : 878,373.12 = 350,027.80 : x - Step 2: Convert to fraction form
636,485.92/878,373.12 = 350,027.80/x - Step 3: Cross multiply
636,485.92x = 878,373.12 × 350,027.80 - Step 4: Simplify right side
636,485.92x = 307,455,010,772.74 - Step 5: Solve for x
x = 307,455,010,772.74/636,485.92 - Step 6: Final answer
x = 483,050.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.