Finding the Fourth Proportional to 899,290.08, 1,348,539.84 and 478,465.92
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Solution
The fourth proportional to 899,290.08, 1,348,539.84 and 478,465.92 is: 717,488.57
Step by Step Solution
- Step 1: Write the proportion equation
899,290.08 : 1,348,539.84 = 478,465.92 : x - Step 2: Convert to fraction form
899,290.08/1,348,539.84 = 478,465.92/x - Step 3: Cross multiply
899,290.08x = 1,348,539.84 × 478,465.92 - Step 4: Simplify right side
899,290.08x = 645,230,355,202.25 - Step 5: Solve for x
x = 645,230,355,202.25/899,290.08 - Step 6: Final answer
x = 717,488.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.