Finding the Fourth Proportional to 687,798.12, 1,032,775.74 and 582,561.48
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Solution
The fourth proportional to 687,798.12, 1,032,775.74 and 582,561.48 is: 874,755.75
Step by Step Solution
- Step 1: Write the proportion equation
687,798.12 : 1,032,775.74 = 582,561.48 : x - Step 2: Convert to fraction form
687,798.12/1,032,775.74 = 582,561.48/x - Step 3: Cross multiply
687,798.12x = 1,032,775.74 × 582,561.48 - Step 4: Simplify right side
687,798.12x = 601,655,363,602.50 - Step 5: Solve for x
x = 601,655,363,602.50/687,798.12 - Step 6: Final answer
x = 874,755.75
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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.