Finding the Fourth Proportional to 506,360.08, 698,757.92 and 280,009.36
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Solution
The fourth proportional to 506,360.08, 698,757.92 and 280,009.36 is: 386,402.42
Step by Step Solution
- Step 1: Write the proportion equation
506,360.08 : 698,757.92 = 280,009.36 : x - Step 2: Convert to fraction form
506,360.08/698,757.92 = 280,009.36/x - Step 3: Cross multiply
506,360.08x = 698,757.92 × 280,009.36 - Step 4: Simplify right side
506,360.08x = 195,658,757,974.13 - Step 5: Solve for x
x = 195,658,757,974.13/506,360.08 - Step 6: Final answer
x = 386,402.42
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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.