Finding the Fourth Proportional to 889,447.42, 1,332,497.06 and 439,641.66
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Solution
The fourth proportional to 889,447.42, 1,332,497.06 and 439,641.66 is: 658,635.02
Step by Step Solution
- Step 1: Write the proportion equation
889,447.42 : 1,332,497.06 = 439,641.66 : x - Step 2: Convert to fraction form
889,447.42/1,332,497.06 = 439,641.66/x - Step 3: Cross multiply
889,447.42x = 1,332,497.06 × 439,641.66 - Step 4: Simplify right side
889,447.42x = 585,821,219,403.52 - Step 5: Solve for x
x = 585,821,219,403.52/889,447.42 - Step 6: Final answer
x = 658,635.02
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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.