Finding the Fourth Proportional to 578,325.74, 798,114.45 and 320,202.67
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Solution
The fourth proportional to 578,325.74, 798,114.45 and 320,202.67 is: 441,893.49
Step by Step Solution
- Step 1: Write the proportion equation
578,325.74 : 798,114.45 = 320,202.67 : x - Step 2: Convert to fraction form
578,325.74/798,114.45 = 320,202.67/x - Step 3: Cross multiply
578,325.74x = 798,114.45 × 320,202.67 - Step 4: Simplify right side
578,325.74x = 255,558,379,001.08 - Step 5: Solve for x
x = 255,558,379,001.08/578,325.74 - Step 6: Final answer
x = 441,893.49
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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.