Finding the Fourth Proportional to 678,972.96, 929,739.38 and 652,204.08
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Solution
The fourth proportional to 678,972.96, 929,739.38 and 652,204.08 is: 893,083.90
Step by Step Solution
- Step 1: Write the proportion equation
678,972.96 : 929,739.38 = 652,204.08 : x - Step 2: Convert to fraction form
678,972.96/929,739.38 = 652,204.08/x - Step 3: Cross multiply
678,972.96x = 929,739.38 × 652,204.08 - Step 4: Simplify right side
678,972.96x = 606,379,816,972.67 - Step 5: Solve for x
x = 606,379,816,972.67/678,972.96 - Step 6: Final answer
x = 893,083.90
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.