Finding the Fourth Proportional to 771,122.30, 1,064,147.02 and 426,975.98
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Solution
The fourth proportional to 771,122.30, 1,064,147.02 and 426,975.98 is: 589,225.88
Step by Step Solution
- Step 1: Write the proportion equation
771,122.30 : 1,064,147.02 = 426,975.98 : x - Step 2: Convert to fraction form
771,122.30/1,064,147.02 = 426,975.98/x - Step 3: Cross multiply
771,122.30x = 1,064,147.02 × 426,975.98 - Step 4: Simplify right side
771,122.30x = 454,365,210,340.41 - Step 5: Solve for x
x = 454,365,210,340.41/771,122.30 - Step 6: Final answer
x = 589,225.88
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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.