Finding the Fourth Proportional to 506,410.35, 698,844.56 and 280,050.99
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Solution
The fourth proportional to 506,410.35, 698,844.56 and 280,050.99 is: 386,469.41
Step by Step Solution
- Step 1: Write the proportion equation
506,410.35 : 698,844.56 = 280,050.99 : x - Step 2: Convert to fraction form
506,410.35/698,844.56 = 280,050.99/x - Step 3: Cross multiply
506,410.35x = 698,844.56 × 280,050.99 - Step 4: Simplify right side
506,410.35x = 195,712,109,483.86 - Step 5: Solve for x
x = 195,712,109,483.86/506,410.35 - Step 6: Final answer
x = 386,469.41
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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.