Finding the Fourth Proportional to 660,295.75, 990,781.41 and 314,470.75
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Solution
The fourth proportional to 660,295.75, 990,781.41 and 314,470.75 is: 471,867.00
Step by Step Solution
- Step 1: Write the proportion equation
660,295.75 : 990,781.41 = 314,470.75 : x - Step 2: Convert to fraction form
660,295.75/990,781.41 = 314,470.75/x - Step 3: Cross multiply
660,295.75x = 990,781.41 × 314,470.75 - Step 4: Simplify right side
660,295.75x = 311,571,773,088.76 - Step 5: Solve for x
x = 311,571,773,088.76/660,295.75 - Step 6: Final answer
x = 471,867.00
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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.