Finding the Fourth Proportional to 581,337.57, 802,465.05 and 339,698.68
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Solution
The fourth proportional to 581,337.57, 802,465.05 and 339,698.68 is: 468,912.27
Step by Step Solution
- Step 1: Write the proportion equation
581,337.57 : 802,465.05 = 339,698.68 : x - Step 2: Convert to fraction form
581,337.57/802,465.05 = 339,698.68/x - Step 3: Cross multiply
581,337.57x = 802,465.05 × 339,698.68 - Step 4: Simplify right side
581,337.57x = 272,596,318,231.13 - Step 5: Solve for x
x = 272,596,318,231.13/581,337.57 - Step 6: Final answer
x = 468,912.27
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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.