Finding the Fourth Proportional to 986,648.98, 1,361,579.62 and 533,939.98
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Solution
The fourth proportional to 986,648.98, 1,361,579.62 and 533,939.98 is: 736,839.35
Step by Step Solution
- Step 1: Write the proportion equation
986,648.98 : 1,361,579.62 = 533,939.98 : x - Step 2: Convert to fraction form
986,648.98/1,361,579.62 = 533,939.98/x - Step 3: Cross multiply
986,648.98x = 1,361,579.62 × 533,939.98 - Step 4: Simplify right side
986,648.98x = 727,001,795,071.21 - Step 5: Solve for x
x = 727,001,795,071.21/986,648.98 - Step 6: Final answer
x = 736,839.35
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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.