Finding the Fourth Proportional to 562,528.80, 776,294.28 and 307,882.08
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Solution
The fourth proportional to 562,528.80, 776,294.28 and 307,882.08 is: 424,879.75
Step by Step Solution
- Step 1: Write the proportion equation
562,528.80 : 776,294.28 = 307,882.08 : x - Step 2: Convert to fraction form
562,528.80/776,294.28 = 307,882.08/x - Step 3: Cross multiply
562,528.80x = 776,294.28 × 307,882.08 - Step 4: Simplify right side
562,528.80x = 239,007,097,618.50 - Step 5: Solve for x
x = 239,007,097,618.50/562,528.80 - Step 6: Final answer
x = 424,879.75
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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.