Finding the Fourth Proportional to 575,752.23, 862,471.73 and 286,693.05
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Solution
The fourth proportional to 575,752.23, 862,471.73 and 286,693.05 is: 429,463.64
Step by Step Solution
- Step 1: Write the proportion equation
575,752.23 : 862,471.73 = 286,693.05 : x - Step 2: Convert to fraction form
575,752.23/862,471.73 = 286,693.05/x - Step 3: Cross multiply
575,752.23x = 862,471.73 × 286,693.05 - Step 4: Simplify right side
575,752.23x = 247,264,649,379.01 - Step 5: Solve for x
x = 247,264,649,379.01/575,752.23 - Step 6: Final answer
x = 429,463.64
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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.