Finding the Fourth Proportional to 567,606.81, 783,302.70 and 312,967.05
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Solution
The fourth proportional to 567,606.81, 783,302.70 and 312,967.05 is: 431,897.45
Step by Step Solution
- Step 1: Write the proportion equation
567,606.81 : 783,302.70 = 312,967.05 : x - Step 2: Convert to fraction form
567,606.81/783,302.70 = 312,967.05/x - Step 3: Cross multiply
567,606.81x = 783,302.70 × 312,967.05 - Step 4: Simplify right side
567,606.81x = 245,147,935,276.04 - Step 5: Solve for x
x = 245,147,935,276.04/567,606.81 - Step 6: Final answer
x = 431,897.45
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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.