Finding the Fourth Proportional to 742,018.02, 1,112,897.97 and 342,624.84
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Solution
The fourth proportional to 742,018.02, 1,112,897.97 and 342,624.84 is: 513,877.67
Step by Step Solution
- Step 1: Write the proportion equation
742,018.02 : 1,112,897.97 = 342,624.84 : x - Step 2: Convert to fraction form
742,018.02/1,112,897.97 = 342,624.84/x - Step 3: Cross multiply
742,018.02x = 1,112,897.97 × 342,624.84 - Step 4: Simplify right side
742,018.02x = 381,306,488,907.58 - Step 5: Solve for x
x = 381,306,488,907.58/742,018.02 - Step 6: Final answer
x = 513,877.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.