Finding the Fourth Proportional to 990,937.59, 1,486,437.22 and 471,498.99
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Solution
The fourth proportional to 990,937.59, 1,486,437.22 and 471,498.99 is: 707,263.15
Step by Step Solution
- Step 1: Write the proportion equation
990,937.59 : 1,486,437.22 = 471,498.99 : x - Step 2: Convert to fraction form
990,937.59/1,486,437.22 = 471,498.99/x - Step 3: Cross multiply
990,937.59x = 1,486,437.22 × 471,498.99 - Step 4: Simplify right side
990,937.59x = 700,853,640,496.22 - Step 5: Solve for x
x = 700,853,640,496.22/990,937.59 - Step 6: Final answer
x = 707,263.15
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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.