Finding the Fourth Proportional to 865,688.30, 1,194,655.84 and 483,731.18
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Solution
The fourth proportional to 865,688.30, 1,194,655.84 and 483,731.18 is: 667,552.37
Step by Step Solution
- Step 1: Write the proportion equation
865,688.30 : 1,194,655.84 = 483,731.18 : x - Step 2: Convert to fraction form
865,688.30/1,194,655.84 = 483,731.18/x - Step 3: Cross multiply
865,688.30x = 1,194,655.84 × 483,731.18 - Step 4: Simplify right side
865,688.30x = 577,892,279,177.09 - Step 5: Solve for x
x = 577,892,279,177.09/865,688.30 - Step 6: Final answer
x = 667,552.37
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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.