Finding the Fourth Proportional to 530,182.26, 731,629.62 and 288,465.80
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Solution
The fourth proportional to 530,182.26, 731,629.62 and 288,465.80 is: 398,070.88
Step by Step Solution
- Step 1: Write the proportion equation
530,182.26 : 731,629.62 = 288,465.80 : x - Step 2: Convert to fraction form
530,182.26/731,629.62 = 288,465.80/x - Step 3: Cross multiply
530,182.26x = 731,629.62 × 288,465.80 - Step 4: Simplify right side
530,182.26x = 211,050,119,978.85 - Step 5: Solve for x
x = 211,050,119,978.85/530,182.26 - Step 6: Final answer
x = 398,070.88
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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.