Finding the Fourth Proportional to 695,985.18, 960,414.08 and 409,449.92
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Solution
The fourth proportional to 695,985.18, 960,414.08 and 409,449.92 is: 565,014.14
Step by Step Solution
- Step 1: Write the proportion equation
695,985.18 : 960,414.08 = 409,449.92 : x - Step 2: Convert to fraction form
695,985.18/960,414.08 = 409,449.92/x - Step 3: Cross multiply
695,985.18x = 960,414.08 × 409,449.92 - Step 4: Simplify right side
695,985.18x = 393,241,468,222.87 - Step 5: Solve for x
x = 393,241,468,222.87/695,985.18 - Step 6: Final answer
x = 565,014.14
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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.