Finding the Fourth Proportional to 998,137.60, 1,377,433.65 and 630,777.99
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Solution
The fourth proportional to 998,137.60, 1,377,433.65 and 630,777.99 is: 870,476.01
Step by Step Solution
- Step 1: Write the proportion equation
998,137.60 : 1,377,433.65 = 630,777.99 : x - Step 2: Convert to fraction form
998,137.60/1,377,433.65 = 630,777.99/x - Step 3: Cross multiply
998,137.60x = 1,377,433.65 × 630,777.99 - Step 4: Simplify right side
998,137.60x = 868,854,834,880.19 - Step 5: Solve for x
x = 868,854,834,880.19/998,137.60 - Step 6: Final answer
x = 870,476.01
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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.