Finding the Fourth Proportional to 709,807.29, 979,497.24 and 403,877.49
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Solution
The fourth proportional to 709,807.29, 979,497.24 and 403,877.49 is: 557,329.99
Step by Step Solution
- Step 1: Write the proportion equation
709,807.29 : 979,497.24 = 403,877.49 : x - Step 2: Convert to fraction form
709,807.29/979,497.24 = 403,877.49/x - Step 3: Cross multiply
709,807.29x = 979,497.24 × 403,877.49 - Step 4: Simplify right side
709,807.29x = 395,596,886,753.13 - Step 5: Solve for x
x = 395,596,886,753.13/709,807.29 - Step 6: Final answer
x = 557,329.99
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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.