Finding the Fourth Proportional to 578,372.40, 798,183.72 and 320,248.08
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Solution
The fourth proportional to 578,372.40, 798,183.72 and 320,248.08 is: 441,958.86
Step by Step Solution
- Step 1: Write the proportion equation
578,372.40 : 798,183.72 = 320,248.08 : x - Step 2: Convert to fraction form
578,372.40/798,183.72 = 320,248.08/x - Step 3: Cross multiply
578,372.40x = 798,183.72 × 320,248.08 - Step 4: Simplify right side
578,372.40x = 255,616,803,817.26 - Step 5: Solve for x
x = 255,616,803,817.26/578,372.40 - Step 6: Final answer
x = 441,958.86
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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.