Finding the Fourth Proportional to 644,912.55, 887,946.44 and 585,125.42
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Solution
The fourth proportional to 644,912.55, 887,946.44 and 585,125.42 is: 805,628.65
Step by Step Solution
- Step 1: Write the proportion equation
644,912.55 : 887,946.44 = 585,125.42 : x - Step 2: Convert to fraction form
644,912.55/887,946.44 = 585,125.42/x - Step 3: Cross multiply
644,912.55x = 887,946.44 × 585,125.42 - Step 4: Simplify right side
644,912.55x = 519,560,026,277.15 - Step 5: Solve for x
x = 519,560,026,277.15/644,912.55 - Step 6: Final answer
x = 805,628.65
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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.