Finding the Fourth Proportional to 1,113,000.84, 1,668,374.28 and 439,556.99
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Solution
The fourth proportional to 1,113,000.84, 1,668,374.28 and 439,556.99 is: 658,890.40
Step by Step Solution
- Step 1: Write the proportion equation
1,113,000.84 : 1,668,374.28 = 439,556.99 : x - Step 2: Convert to fraction form
1,113,000.84/1,668,374.28 = 439,556.99/x - Step 3: Cross multiply
1,113,000.84x = 1,668,374.28 × 439,556.99 - Step 4: Simplify right side
1,113,000.84x = 733,345,568,368.35 - Step 5: Solve for x
x = 733,345,568,368.35/1,113,000.84 - Step 6: Final answer
x = 658,890.40
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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.