Finding the Fourth Proportional to 559,340.30, 838,259.58 and 306,238.79
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Solution
The fourth proportional to 559,340.30, 838,259.58 and 306,238.79 is: 458,947.09
Step by Step Solution
- Step 1: Write the proportion equation
559,340.30 : 838,259.58 = 306,238.79 : x - Step 2: Convert to fraction form
559,340.30/838,259.58 = 306,238.79/x - Step 3: Cross multiply
559,340.30x = 838,259.58 × 306,238.79 - Step 4: Simplify right side
559,340.30x = 256,707,602,729.15 - Step 5: Solve for x
x = 256,707,602,729.15/559,340.30 - Step 6: Final answer
x = 458,947.09
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1.5x scale
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.