Finding the Fourth Proportional to 651,216.09, 898,183.99 and 570,503.51
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Solution
The fourth proportional to 651,216.09, 898,183.99 and 570,503.51 is: 786,861.88
Step by Step Solution
- Step 1: Write the proportion equation
651,216.09 : 898,183.99 = 570,503.51 : x - Step 2: Convert to fraction form
651,216.09/898,183.99 = 570,503.51/x - Step 3: Cross multiply
651,216.09x = 898,183.99 × 570,503.51 - Step 4: Simplify right side
651,216.09x = 512,417,118,920.81 - Step 5: Solve for x
x = 512,417,118,920.81/651,216.09 - Step 6: Final answer
x = 786,861.88
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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.