Finding the Fourth Proportional to 554,624.64, 831,432.96 and 288,072.96
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Solution
The fourth proportional to 554,624.64, 831,432.96 and 288,072.96 is: 431,847.66
Step by Step Solution
- Step 1: Write the proportion equation
554,624.64 : 831,432.96 = 288,072.96 : x - Step 2: Convert to fraction form
554,624.64/831,432.96 = 288,072.96/x - Step 3: Cross multiply
554,624.64x = 831,432.96 × 288,072.96 - Step 4: Simplify right side
554,624.64x = 239,513,353,828.76 - Step 5: Solve for x
x = 239,513,353,828.76/554,624.64 - Step 6: Final answer
x = 431,847.66
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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.