Finding the Fourth Proportional to 552,642.75, 762,647.00 and 314,178.75
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Solution
The fourth proportional to 552,642.75, 762,647.00 and 314,178.75 is: 433,566.68
Step by Step Solution
- Step 1: Write the proportion equation
552,642.75 : 762,647.00 = 314,178.75 : x - Step 2: Convert to fraction form
552,642.75/762,647.00 = 314,178.75/x - Step 3: Cross multiply
552,642.75x = 762,647.00 × 314,178.75 - Step 4: Simplify right side
552,642.75x = 239,607,479,580.36 - Step 5: Solve for x
x = 239,607,479,580.36/552,642.75 - Step 6: Final answer
x = 433,566.68
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1.5x scale
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.