Finding the Fourth Proportional to 589,038.20, 884,213.40 and 323,317.70
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Solution
The fourth proportional to 589,038.20, 884,213.40 and 323,317.70 is: 485,336.68
Step by Step Solution
- Step 1: Write the proportion equation
589,038.20 : 884,213.40 = 323,317.70 : x - Step 2: Convert to fraction form
589,038.20/884,213.40 = 323,317.70/x - Step 3: Cross multiply
589,038.20x = 884,213.40 × 323,317.70 - Step 4: Simplify right side
589,038.20x = 285,881,842,797.18 - Step 5: Solve for x
x = 285,881,842,797.18/589,038.20 - Step 6: Final answer
x = 485,336.68
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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.