Finding the Fourth Proportional to 998,805.28, 1,499,274.06 and 430,466.84
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Solution
The fourth proportional to 998,805.28, 1,499,274.06 and 430,466.84 is: 646,159.75
Step by Step Solution
- Step 1: Write the proportion equation
998,805.28 : 1,499,274.06 = 430,466.84 : x - Step 2: Convert to fraction form
998,805.28/1,499,274.06 = 430,466.84/x - Step 3: Cross multiply
998,805.28x = 1,499,274.06 × 430,466.84 - Step 4: Simplify right side
998,805.28x = 645,387,766,902.17 - Step 5: Solve for x
x = 645,387,766,902.17/998,805.28 - Step 6: Final answer
x = 646,159.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.