Finding the Fourth Proportional to 750,947.09, 1,126,567.65 and 330,221.75
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Solution
The fourth proportional to 750,947.09, 1,126,567.65 and 330,221.75 is: 495,397.27
Step by Step Solution
- Step 1: Write the proportion equation
750,947.09 : 1,126,567.65 = 330,221.75 : x - Step 2: Convert to fraction form
750,947.09/1,126,567.65 = 330,221.75/x - Step 3: Cross multiply
750,947.09x = 1,126,567.65 × 330,221.75 - Step 4: Simplify right side
750,947.09x = 372,017,140,876.39 - Step 5: Solve for x
x = 372,017,140,876.39/750,947.09 - Step 6: Final answer
x = 495,397.27
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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.