Finding the Fourth Proportional to 801,621.89, 1,106,246.01 and 479,331.99
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Solution
The fourth proportional to 801,621.89, 1,106,246.01 and 479,331.99 is: 661,482.82
Step by Step Solution
- Step 1: Write the proportion equation
801,621.89 : 1,106,246.01 = 479,331.99 : x - Step 2: Convert to fraction form
801,621.89/1,106,246.01 = 479,331.99/x - Step 3: Cross multiply
801,621.89x = 1,106,246.01 × 479,331.99 - Step 4: Simplify right side
801,621.89x = 530,259,101,402.86 - Step 5: Solve for x
x = 530,259,101,402.86/801,621.89 - Step 6: Final answer
x = 661,482.82
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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.