Finding the Fourth Proportional to 506,459.68, 698,924.88 and 280,120.48
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Solution
The fourth proportional to 506,459.68, 698,924.88 and 280,120.48 is: 386,572.08
Step by Step Solution
- Step 1: Write the proportion equation
506,459.68 : 698,924.88 = 280,120.48 : x - Step 2: Convert to fraction form
506,459.68/698,924.88 = 280,120.48/x - Step 3: Cross multiply
506,459.68x = 698,924.88 × 280,120.48 - Step 4: Simplify right side
506,459.68x = 195,783,172,869.54 - Step 5: Solve for x
x = 195,783,172,869.54/506,459.68 - Step 6: Final answer
x = 386,572.08
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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.