Finding the Fourth Proportional to 513,477.66, 708,544.67 and 283,998.49
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Solution
The fourth proportional to 513,477.66, 708,544.67 and 283,998.49 is: 391,887.76
Step by Step Solution
- Step 1: Write the proportion equation
513,477.66 : 708,544.67 = 283,998.49 : x - Step 2: Convert to fraction form
513,477.66/708,544.67 = 283,998.49/x - Step 3: Cross multiply
513,477.66x = 708,544.67 × 283,998.49 - Step 4: Simplify right side
513,477.66x = 201,225,613,186.19 - Step 5: Solve for x
x = 201,225,613,186.19/513,477.66 - Step 6: Final answer
x = 391,887.76
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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.