Finding the Fourth Proportional to 430,721.95, 594,236.86 and 430,057.66
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Solution
The fourth proportional to 430,721.95, 594,236.86 and 430,057.66 is: 593,320.39
Step by Step Solution
- Step 1: Write the proportion equation
430,721.95 : 594,236.86 = 430,057.66 : x - Step 2: Convert to fraction form
430,721.95/594,236.86 = 430,057.66/x - Step 3: Cross multiply
430,721.95x = 594,236.86 × 430,057.66 - Step 4: Simplify right side
430,721.95x = 255,556,113,497.35 - Step 5: Solve for x
x = 255,556,113,497.35/430,721.95 - Step 6: Final answer
x = 593,320.39
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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.