Finding the Fourth Proportional to 430,794.72, 593,688.42 and 309,726.18
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Solution
The fourth proportional to 430,794.72, 593,688.42 and 309,726.18 is: 426,840.99
Step by Step Solution
- Step 1: Write the proportion equation
430,794.72 : 593,688.42 = 309,726.18 : x - Step 2: Convert to fraction form
430,794.72/593,688.42 = 309,726.18/x - Step 3: Cross multiply
430,794.72x = 593,688.42 × 309,726.18 - Step 4: Simplify right side
430,794.72x = 183,880,846,436.84 - Step 5: Solve for x
x = 183,880,846,436.84/430,794.72 - Step 6: Final answer
x = 426,840.99
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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.