Finding the Fourth Proportional to 695,911.36, 960,341.16 and 409,449.64
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Solution
The fourth proportional to 695,911.36, 960,341.16 and 409,449.64 is: 565,030.79
Step by Step Solution
- Step 1: Write the proportion equation
695,911.36 : 960,341.16 = 409,449.64 : x - Step 2: Convert to fraction form
695,911.36/960,341.16 = 409,449.64/x - Step 3: Cross multiply
695,911.36x = 960,341.16 × 409,449.64 - Step 4: Simplify right side
695,911.36x = 393,211,342,239.18 - Step 5: Solve for x
x = 393,211,342,239.18/695,911.36 - Step 6: Final answer
x = 565,030.79
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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.