Finding the Fourth Proportional to 569,590.38, 785,857.14 and 378,636.12
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Solution
The fourth proportional to 569,590.38, 785,857.14 and 378,636.12 is: 522,399.80
Step by Step Solution
- Step 1: Write the proportion equation
569,590.38 : 785,857.14 = 378,636.12 : x - Step 2: Convert to fraction form
569,590.38/785,857.14 = 378,636.12/x - Step 3: Cross multiply
569,590.38x = 785,857.14 × 378,636.12 - Step 4: Simplify right side
569,590.38x = 297,553,898,363.90 - Step 5: Solve for x
x = 297,553,898,363.90/569,590.38 - Step 6: Final answer
x = 522,399.80
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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.