Finding the Fourth Proportional to 688,842.24, 1,033,235.04 and 239,664.96
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Solution
The fourth proportional to 688,842.24, 1,033,235.04 and 239,664.96 is: 359,487.59
Step by Step Solution
- Step 1: Write the proportion equation
688,842.24 : 1,033,235.04 = 239,664.96 : x - Step 2: Convert to fraction form
688,842.24/1,033,235.04 = 239,664.96/x - Step 3: Cross multiply
688,842.24x = 1,033,235.04 × 239,664.96 - Step 4: Simplify right side
688,842.24x = 247,630,234,532.20 - Step 5: Solve for x
x = 247,630,234,532.20/688,842.24 - Step 6: Final answer
x = 359,487.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.