Finding the Fourth Proportional to 463,998.84, 640,318.14 and 262,794.84
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Solution
The fourth proportional to 463,998.84, 640,318.14 and 262,794.84 is: 362,656.73
Step by Step Solution
- Step 1: Write the proportion equation
463,998.84 : 640,318.14 = 262,794.84 : x - Step 2: Convert to fraction form
463,998.84/640,318.14 = 262,794.84/x - Step 3: Cross multiply
463,998.84x = 640,318.14 × 262,794.84 - Step 4: Simplify right side
463,998.84x = 168,272,303,150.40 - Step 5: Solve for x
x = 168,272,303,150.40/463,998.84 - Step 6: Final answer
x = 362,656.73
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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.