Finding the Fourth Proportional to 785,616.23, 1,084,119.90 and 480,203.98
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Solution
The fourth proportional to 785,616.23, 1,084,119.90 and 480,203.98 is: 662,662.84
Step by Step Solution
- Step 1: Write the proportion equation
785,616.23 : 1,084,119.90 = 480,203.98 : x - Step 2: Convert to fraction form
785,616.23/1,084,119.90 = 480,203.98/x - Step 3: Cross multiply
785,616.23x = 1,084,119.90 × 480,203.98 - Step 4: Simplify right side
785,616.23x = 520,598,686,266.14 - Step 5: Solve for x
x = 520,598,686,266.14/785,616.23 - Step 6: Final answer
x = 662,662.84
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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.