Finding the Fourth Proportional to 889,798.41, 1,334,925.12 and 258,712.23
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Solution
The fourth proportional to 889,798.41, 1,334,925.12 and 258,712.23 is: 388,134.49
Step by Step Solution
- Step 1: Write the proportion equation
889,798.41 : 1,334,925.12 = 258,712.23 : x - Step 2: Convert to fraction form
889,798.41/1,334,925.12 = 258,712.23/x - Step 3: Cross multiply
889,798.41x = 1,334,925.12 × 258,712.23 - Step 4: Simplify right side
889,798.41x = 345,361,454,678.22 - Step 5: Solve for x
x = 345,361,454,678.22/889,798.41 - Step 6: Final answer
x = 388,134.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.