Finding the Fourth Proportional to 674,400.27, 930,661.47 and 368,470.08
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Solution
The fourth proportional to 674,400.27, 930,661.47 and 368,470.08 is: 508,482.75
Step by Step Solution
- Step 1: Write the proportion equation
674,400.27 : 930,661.47 = 368,470.08 : x - Step 2: Convert to fraction form
674,400.27/930,661.47 = 368,470.08/x - Step 3: Cross multiply
674,400.27x = 930,661.47 × 368,470.08 - Step 4: Simplify right side
674,400.27x = 342,920,906,303.82 - Step 5: Solve for x
x = 342,920,906,303.82/674,400.27 - Step 6: Final answer
x = 508,482.75
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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.