Finding the Fourth Proportional to 752,779.03, 1,129,170.18 and 529,140.19
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Solution
The fourth proportional to 752,779.03, 1,129,170.18 and 529,140.19 is: 793,711.43
Step by Step Solution
- Step 1: Write the proportion equation
752,779.03 : 1,129,170.18 = 529,140.19 : x - Step 2: Convert to fraction form
752,779.03/1,129,170.18 = 529,140.19/x - Step 3: Cross multiply
752,779.03x = 1,129,170.18 × 529,140.19 - Step 4: Simplify right side
752,779.03x = 597,489,323,587.53 - Step 5: Solve for x
x = 597,489,323,587.53/752,779.03 - Step 6: Final answer
x = 793,711.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.