Finding the Fourth Proportional to 674,377.11, 930,612.87 and 368,464.08
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Solution
The fourth proportional to 674,377.11, 930,612.87 and 368,464.08 is: 508,465.38
Step by Step Solution
- Step 1: Write the proportion equation
674,377.11 : 930,612.87 = 368,464.08 : x - Step 2: Convert to fraction form
674,377.11/930,612.87 = 368,464.08/x - Step 3: Cross multiply
674,377.11x = 930,612.87 × 368,464.08 - Step 4: Simplify right side
674,377.11x = 342,897,414,980.71 - Step 5: Solve for x
x = 342,897,414,980.71/674,377.11 - Step 6: Final answer
x = 508,465.38
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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.