Finding the Fourth Proportional to 1,069,291.86, 1,603,958.28 and 349,636.26
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Solution
The fourth proportional to 1,069,291.86, 1,603,958.28 and 349,636.26 is: 524,461.09
Step by Step Solution
- Step 1: Write the proportion equation
1,069,291.86 : 1,603,958.28 = 349,636.26 : x - Step 2: Convert to fraction form
1,069,291.86/1,603,958.28 = 349,636.26/x - Step 3: Cross multiply
1,069,291.86x = 1,603,958.28 × 349,636.26 - Step 4: Simplify right side
1,069,291.86x = 560,801,974,215.23 - Step 5: Solve for x
x = 560,801,974,215.23/1,069,291.86 - Step 6: Final answer
x = 524,461.09
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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.