Finding the Fourth Proportional to 998,730.64, 1,377,321.87 and 635,776.12
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Solution
The fourth proportional to 998,730.64, 1,377,321.87 and 635,776.12 is: 876,781.31
Step by Step Solution
- Step 1: Write the proportion equation
998,730.64 : 1,377,321.87 = 635,776.12 : x - Step 2: Convert to fraction form
998,730.64/1,377,321.87 = 635,776.12/x - Step 3: Cross multiply
998,730.64x = 1,377,321.87 × 635,776.12 - Step 4: Simplify right side
998,730.64x = 875,668,354,499.75 - Step 5: Solve for x
x = 875,668,354,499.75/998,730.64 - Step 6: Final answer
x = 876,781.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.