Finding the Fourth Proportional to 755,564.80, 1,133,430.24 and 376,580.94
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Solution
The fourth proportional to 755,564.80, 1,133,430.24 and 376,580.94 is: 564,912.80
Step by Step Solution
- Step 1: Write the proportion equation
755,564.80 : 1,133,430.24 = 376,580.94 : x - Step 2: Convert to fraction form
755,564.80/1,133,430.24 = 376,580.94/x - Step 3: Cross multiply
755,564.80x = 1,133,430.24 × 376,580.94 - Step 4: Simplify right side
755,564.80x = 426,828,224,494.08 - Step 5: Solve for x
x = 426,828,224,494.08/755,564.80 - Step 6: Final answer
x = 564,912.80
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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.