Finding the Fourth Proportional to 788,340.63, 1,087,838.71 and 444,232.59
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Solution
The fourth proportional to 788,340.63, 1,087,838.71 and 444,232.59 is: 613,000.75
Step by Step Solution
- Step 1: Write the proportion equation
788,340.63 : 1,087,838.71 = 444,232.59 : x - Step 2: Convert to fraction form
788,340.63/1,087,838.71 = 444,232.59/x - Step 3: Cross multiply
788,340.63x = 1,087,838.71 × 444,232.59 - Step 4: Simplify right side
788,340.63x = 483,253,402,455.58 - Step 5: Solve for x
x = 483,253,402,455.58/788,340.63 - Step 6: Final answer
x = 613,000.75
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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.