Finding the Fourth Proportional to 571,393.53, 788,470.07 and 316,723.05
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Solution
The fourth proportional to 571,393.53, 788,470.07 and 316,723.05 is: 437,048.43
Step by Step Solution
- Step 1: Write the proportion equation
571,393.53 : 788,470.07 = 316,723.05 : x - Step 2: Convert to fraction form
571,393.53/788,470.07 = 316,723.05/x - Step 3: Cross multiply
571,393.53x = 788,470.07 × 316,723.05 - Step 4: Simplify right side
571,393.53x = 249,726,643,820.50 - Step 5: Solve for x
x = 249,726,643,820.50/571,393.53 - Step 6: Final answer
x = 437,048.43
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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.