Finding the Fourth Proportional to 571,263.08, 788,352.90 and 313,122.81
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Solution
The fourth proportional to 571,263.08, 788,352.90 and 313,122.81 is: 432,114.88
Step by Step Solution
- Step 1: Write the proportion equation
571,263.08 : 788,352.90 = 313,122.81 : x - Step 2: Convert to fraction form
571,263.08/788,352.90 = 313,122.81/x - Step 3: Cross multiply
571,263.08x = 788,352.90 × 313,122.81 - Step 4: Simplify right side
571,263.08x = 246,851,278,863.08 - Step 5: Solve for x
x = 246,851,278,863.08/571,263.08 - Step 6: Final answer
x = 432,114.88
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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.