Finding the Fourth Proportional to 581,626.08, 802,316.16 and 339,857.28
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Solution
The fourth proportional to 581,626.08, 802,316.16 and 339,857.28 is: 468,811.49
Step by Step Solution
- Step 1: Write the proportion equation
581,626.08 : 802,316.16 = 339,857.28 : x - Step 2: Convert to fraction form
581,626.08/802,316.16 = 339,857.28/x - Step 3: Cross multiply
581,626.08x = 802,316.16 × 339,857.28 - Step 4: Simplify right side
581,626.08x = 272,672,987,837.65 - Step 5: Solve for x
x = 272,672,987,837.65/581,626.08 - Step 6: Final answer
x = 468,811.49
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1.5x scale
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.