Finding the Fourth Proportional to 759,306.84, 1,047,810.24 and 437,027.28
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Solution
The fourth proportional to 759,306.84, 1,047,810.24 and 437,027.28 is: 603,078.54
Step by Step Solution
- Step 1: Write the proportion equation
759,306.84 : 1,047,810.24 = 437,027.28 : x - Step 2: Convert to fraction form
759,306.84/1,047,810.24 = 437,027.28/x - Step 3: Cross multiply
759,306.84x = 1,047,810.24 × 437,027.28 - Step 4: Simplify right side
759,306.84x = 457,921,659,143.35 - Step 5: Solve for x
x = 457,921,659,143.35/759,306.84 - Step 6: Final answer
x = 603,078.54
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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.