Finding the Fourth Proportional to 680,567.08, 1,021,003.02 and 207,289.48
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Solution
The fourth proportional to 680,567.08, 1,021,003.02 and 207,289.48 is: 310,980.64
Step by Step Solution
- Step 1: Write the proportion equation
680,567.08 : 1,021,003.02 = 207,289.48 : x - Step 2: Convert to fraction form
680,567.08/1,021,003.02 = 207,289.48/x - Step 3: Cross multiply
680,567.08x = 1,021,003.02 × 207,289.48 - Step 4: Simplify right side
680,567.08x = 211,643,185,094.23 - Step 5: Solve for x
x = 211,643,185,094.23/680,567.08 - Step 6: Final answer
x = 310,980.64
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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.