Finding the Fourth Proportional to 745,831.80, 1,118,747.70 and 325,927.80
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Solution
The fourth proportional to 745,831.80, 1,118,747.70 and 325,927.80 is: 488,891.70
Step by Step Solution
- Step 1: Write the proportion equation
745,831.80 : 1,118,747.70 = 325,927.80 : x - Step 2: Convert to fraction form
745,831.80/1,118,747.70 = 325,927.80/x - Step 3: Cross multiply
745,831.80x = 1,118,747.70 × 325,927.80 - Step 4: Simplify right side
745,831.80x = 364,630,976,616.06 - Step 5: Solve for x
x = 364,630,976,616.06/745,831.80 - Step 6: Final answer
x = 488,891.70
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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.