Finding the Fourth Proportional to 476,840.79, 657,766.58 and 297,681.75
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Solution
The fourth proportional to 476,840.79, 657,766.58 and 297,681.75 is: 410,629.94
Step by Step Solution
- Step 1: Write the proportion equation
476,840.79 : 657,766.58 = 297,681.75 : x - Step 2: Convert to fraction form
476,840.79/657,766.58 = 297,681.75/x - Step 3: Cross multiply
476,840.79x = 657,766.58 × 297,681.75 - Step 4: Simplify right side
476,840.79x = 195,805,105,137.51 - Step 5: Solve for x
x = 195,805,105,137.51/476,840.79 - Step 6: Final answer
x = 410,629.94
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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.