Finding the Fourth Proportional to 708,133.88, 977,224.86 and 385,844.01
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Solution
The fourth proportional to 708,133.88, 977,224.86 and 385,844.01 is: 532,464.80
Step by Step Solution
- Step 1: Write the proportion equation
708,133.88 : 977,224.86 = 385,844.01 : x - Step 2: Convert to fraction form
708,133.88/977,224.86 = 385,844.01/x - Step 3: Cross multiply
708,133.88x = 977,224.86 × 385,844.01 - Step 4: Simplify right side
708,133.88x = 377,056,358,654.09 - Step 5: Solve for x
x = 377,056,358,654.09/708,133.88 - Step 6: Final answer
x = 532,464.80
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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.