Finding the Fourth Proportional to 575,703.76, 863,348.28 and 243,305.68
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Solution
The fourth proportional to 575,703.76, 863,348.28 and 243,305.68 is: 364,870.88
Step by Step Solution
- Step 1: Write the proportion equation
575,703.76 : 863,348.28 = 243,305.68 : x - Step 2: Convert to fraction form
575,703.76/863,348.28 = 243,305.68/x - Step 3: Cross multiply
575,703.76x = 863,348.28 × 243,305.68 - Step 4: Simplify right side
575,703.76x = 210,057,540,342.23 - Step 5: Solve for x
x = 210,057,540,342.23/575,703.76 - Step 6: Final answer
x = 364,870.88
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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.