Finding the Fourth Proportional to 426,935.10, 589,226.76 and 412,915.08
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Solution
The fourth proportional to 426,935.10, 589,226.76 and 412,915.08 is: 569,877.28
Step by Step Solution
- Step 1: Write the proportion equation
426,935.10 : 589,226.76 = 412,915.08 : x - Step 2: Convert to fraction form
426,935.10/589,226.76 = 412,915.08/x - Step 3: Cross multiply
426,935.10x = 589,226.76 × 412,915.08 - Step 4: Simplify right side
426,935.10x = 243,300,614,743.54 - Step 5: Solve for x
x = 243,300,614,743.54/426,935.10 - Step 6: Final answer
x = 569,877.28
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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.