Finding the Fourth Proportional to 656,547.81, 906,105.64 and 384,843.99
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Solution
The fourth proportional to 656,547.81, 906,105.64 and 384,843.99 is: 531,125.53
Step by Step Solution
- Step 1: Write the proportion equation
656,547.81 : 906,105.64 = 384,843.99 : x - Step 2: Convert to fraction form
656,547.81/906,105.64 = 384,843.99/x - Step 3: Cross multiply
656,547.81x = 906,105.64 × 384,843.99 - Step 4: Simplify right side
656,547.81x = 348,709,303,404.36 - Step 5: Solve for x
x = 348,709,303,404.36/656,547.81 - Step 6: Final answer
x = 531,125.53
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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.