Finding the Fourth Proportional to 671,947.99, 927,220.97 and 413,783.57
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Solution
The fourth proportional to 671,947.99, 927,220.97 and 413,783.57 is: 570,979.92
Step by Step Solution
- Step 1: Write the proportion equation
671,947.99 : 927,220.97 = 413,783.57 : x - Step 2: Convert to fraction form
671,947.99/927,220.97 = 413,783.57/x - Step 3: Cross multiply
671,947.99x = 927,220.97 × 413,783.57 - Step 4: Simplify right side
671,947.99x = 383,668,806,497.97 - Step 5: Solve for x
x = 383,668,806,497.97/671,947.99 - Step 6: Final answer
x = 570,979.92
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1.5x scale
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.