Finding the Fourth Proportional to 1,201,280.80, 1,801,389.84 and 359,675.68
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Solution
The fourth proportional to 1,201,280.80, 1,801,389.84 and 359,675.68 is: 539,354.43
Step by Step Solution
- Step 1: Write the proportion equation
1,201,280.80 : 1,801,389.84 = 359,675.68 : x - Step 2: Convert to fraction form
1,201,280.80/1,801,389.84 = 359,675.68/x - Step 3: Cross multiply
1,201,280.80x = 1,801,389.84 × 359,675.68 - Step 4: Simplify right side
1,201,280.80x = 647,916,115,647.09 - Step 5: Solve for x
x = 647,916,115,647.09/1,201,280.80 - Step 6: Final answer
x = 539,354.43
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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.