Finding the Fourth Proportional to 771,506, 1,157,314.46 and 266,059.68
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Solution
The fourth proportional to 771,506, 1,157,314.46 and 266,059.68 is: 399,108.65
Step by Step Solution
- Step 1: Write the proportion equation
771,506 : 1,157,314.46 = 266,059.68 : x - Step 2: Convert to fraction form
771,506/1,157,314.46 = 266,059.68/x - Step 3: Cross multiply
771,506x = 1,157,314.46 × 266,059.68 - Step 4: Simplify right side
771,506x = 307,914,714,886.97 - Step 5: Solve for x
x = 307,914,714,886.97/771,506 - Step 6: Final answer
x = 399,108.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.