Finding the Fourth Proportional to 564,947.11, 779,637.26 and 306,824.00
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Solution
The fourth proportional to 564,947.11, 779,637.26 and 306,824.00 is: 423,422.69
Step by Step Solution
- Step 1: Write the proportion equation
564,947.11 : 779,637.26 = 306,824.00 : x - Step 2: Convert to fraction form
564,947.11/779,637.26 = 306,824.00/x - Step 3: Cross multiply
564,947.11x = 779,637.26 × 306,824.00 - Step 4: Simplify right side
564,947.11x = 239,211,425,378.39 - Step 5: Solve for x
x = 239,211,425,378.39/564,947.11 - Step 6: Final answer
x = 423,422.69
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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.