Finding the Fourth Proportional to 571,266.09, 788,357.04 and 313,125.81
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Solution
The fourth proportional to 571,266.09, 788,357.04 and 313,125.81 is: 432,119.01
Step by Step Solution
- Step 1: Write the proportion equation
571,266.09 : 788,357.04 = 313,125.81 : x - Step 2: Convert to fraction form
571,266.09/788,357.04 = 313,125.81/x - Step 3: Cross multiply
571,266.09x = 788,357.04 × 313,125.81 - Step 4: Simplify right side
571,266.09x = 246,854,936,719.20 - Step 5: Solve for x
x = 246,854,936,719.20/571,266.09 - Step 6: Final answer
x = 432,119.01
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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.