Finding the Fourth Proportional to 898,698.48, 1,240,212.35 and 511,494.92
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Solution
The fourth proportional to 898,698.48, 1,240,212.35 and 511,494.92 is: 705,867.80
Step by Step Solution
- Step 1: Write the proportion equation
898,698.48 : 1,240,212.35 = 511,494.92 : x - Step 2: Convert to fraction form
898,698.48/1,240,212.35 = 511,494.92/x - Step 3: Cross multiply
898,698.48x = 1,240,212.35 × 511,494.92 - Step 4: Simplify right side
898,698.48x = 634,362,316,746.26 - Step 5: Solve for x
x = 634,362,316,746.26/898,698.48 - Step 6: Final answer
x = 705,867.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.