Finding the Fourth Proportional to 750,946.09, 1,126,566.15 and 330,220.75
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Solution
The fourth proportional to 750,946.09, 1,126,566.15 and 330,220.75 is: 495,395.77
Step by Step Solution
- Step 1: Write the proportion equation
750,946.09 : 1,126,566.15 = 330,220.75 : x - Step 2: Convert to fraction form
750,946.09/1,126,566.15 = 330,220.75/x - Step 3: Cross multiply
750,946.09x = 1,126,566.15 × 330,220.75 - Step 4: Simplify right side
750,946.09x = 372,015,518,977.61 - Step 5: Solve for x
x = 372,015,518,977.61/750,946.09 - Step 6: Final answer
x = 495,395.77
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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.