Finding the Fourth Proportional to 695,672.08, 960,000.08 and 393,866.08
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Solution
The fourth proportional to 695,672.08, 960,000.08 and 393,866.08 is: 543,519.68
Step by Step Solution
- Step 1: Write the proportion equation
695,672.08 : 960,000.08 = 393,866.08 : x - Step 2: Convert to fraction form
695,672.08/960,000.08 = 393,866.08/x - Step 3: Cross multiply
695,672.08x = 960,000.08 × 393,866.08 - Step 4: Simplify right side
695,672.08x = 378,111,468,309.29 - Step 5: Solve for x
x = 378,111,468,309.29/695,672.08 - Step 6: Final answer
x = 543,519.68
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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.