Finding the Fourth Proportional to 382,985.06, 574,477.73 and 382,431.63
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Solution
The fourth proportional to 382,985.06, 574,477.73 and 382,431.63 is: 573,647.59
Step by Step Solution
- Step 1: Write the proportion equation
382,985.06 : 574,477.73 = 382,431.63 : x - Step 2: Convert to fraction form
382,985.06/574,477.73 = 382,431.63/x - Step 3: Cross multiply
382,985.06x = 574,477.73 × 382,431.63 - Step 4: Simplify right side
382,985.06x = 219,698,455,278.59 - Step 5: Solve for x
x = 219,698,455,278.59/382,985.06 - Step 6: Final answer
x = 573,647.59
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1.5x scale
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.