Finding the Fourth Proportional to 571,502.57, 788,682.43 and 313,403.08
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Solution
The fourth proportional to 571,502.57, 788,682.43 and 313,403.08 is: 432,501.12
Step by Step Solution
- Step 1: Write the proportion equation
571,502.57 : 788,682.43 = 313,403.08 : x - Step 2: Convert to fraction form
571,502.57/788,682.43 = 313,403.08/x - Step 3: Cross multiply
571,502.57x = 788,682.43 × 313,403.08 - Step 4: Simplify right side
571,502.57x = 247,175,503,597.97 - Step 5: Solve for x
x = 247,175,503,597.97/571,502.57 - Step 6: Final answer
x = 432,501.12
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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.