Finding the Fourth Proportional to 895,391.70, 1,235,686.14 and 508,234.38
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Solution
The fourth proportional to 895,391.70, 1,235,686.14 and 508,234.38 is: 701,389.32
Step by Step Solution
- Step 1: Write the proportion equation
895,391.70 : 1,235,686.14 = 508,234.38 : x - Step 2: Convert to fraction form
895,391.70/1,235,686.14 = 508,234.38/x - Step 3: Cross multiply
895,391.70x = 1,235,686.14 × 508,234.38 - Step 4: Simplify right side
895,391.70x = 628,018,179,237.49 - Step 5: Solve for x
x = 628,018,179,237.49/895,391.70 - Step 6: Final answer
x = 701,389.32
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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.