Finding the Fourth Proportional to 754,403.60, 1,041,056.18 and 414,871.84
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Solution
The fourth proportional to 754,403.60, 1,041,056.18 and 414,871.84 is: 572,511.71
Step by Step Solution
- Step 1: Write the proportion equation
754,403.60 : 1,041,056.18 = 414,871.84 : x - Step 2: Convert to fraction form
754,403.60/1,041,056.18 = 414,871.84/x - Step 3: Cross multiply
754,403.60x = 1,041,056.18 × 414,871.84 - Step 4: Simplify right side
754,403.60x = 431,904,892,939.97 - Step 5: Solve for x
x = 431,904,892,939.97/754,403.60 - Step 6: Final answer
x = 572,511.71
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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.