Finding the Fourth Proportional to 708,183.57, 977,262.73 and 402,258.99
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Solution
The fourth proportional to 708,183.57, 977,262.73 and 402,258.99 is: 555,100.03
Step by Step Solution
- Step 1: Write the proportion equation
708,183.57 : 977,262.73 = 402,258.99 : x - Step 2: Convert to fraction form
708,183.57/977,262.73 = 402,258.99/x - Step 3: Cross multiply
708,183.57x = 977,262.73 × 402,258.99 - Step 4: Simplify right side
708,183.57x = 393,112,717,728.80 - Step 5: Solve for x
x = 393,112,717,728.80/708,183.57 - Step 6: Final answer
x = 555,100.03
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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.