Finding the Fourth Proportional to 567,454.96, 783,072.12 and 312,806.08
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Solution
The fourth proportional to 567,454.96, 783,072.12 and 312,806.08 is: 431,663.72
Step by Step Solution
- Step 1: Write the proportion equation
567,454.96 : 783,072.12 = 312,806.08 : x - Step 2: Convert to fraction form
567,454.96/783,072.12 = 312,806.08/x - Step 3: Cross multiply
567,454.96x = 783,072.12 × 312,806.08 - Step 4: Simplify right side
567,454.96x = 244,949,720,214.49 - Step 5: Solve for x
x = 244,949,720,214.49/567,454.96 - Step 6: Final answer
x = 431,663.72
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1.5x scale
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.